diff --git a/resources/assets/less/metager/result-page.less b/resources/assets/less/metager/result-page.less
index 331a47cd9a06738a414122046e6934dce913c5d3..467199d70102af22dedc9fe800a47a202b48f41e 100644
--- a/resources/assets/less/metager/result-page.less
+++ b/resources/assets/less/metager/result-page.less
@@ -4,8 +4,9 @@
 @import "./result-saver.less";
 @import "./result.less";
 @import "./product.less";
-@result-width: 700px;
-@quicktip-width: 500px;
+//
+@resultpage-background-color: #FAFAFA;
+//
 @results-margin-left: @resultpage-leftbox-big-screen-margin-left;
 //
 @result-page-body-background-color: @background-color;
@@ -18,6 +19,24 @@
 @a-hover-color: @result-page-a-hover-color;
 @a-donation-hover-color: @result-page-a-hover-color;
 @product-shop-color: @result-page-product-shop-color;
+//
+@results-width-min: 500px;
+@results-width-max: 700px;
+@additions-width-min: 400px;
+@additions-width-max: 500px;
+//
+@resultpage-breakpoint-large: (@results-width-max + @additions-width-max + @padding-small-default * 4);
+@resultpage-breakpoint-small: (@results-width-min + @additions-width-min + @padding-small-default * 4);
+//
+@resultpage-leftbox-max-width: @results-width-max;
+@resultpage-leftbox-min-dist-left-right: @padding-small-default;
+@resultpage-leftbox-min-dist-top-bottom: @padding-small-default;
+@resultpage-leftbox-big-screen-margin-left: 50px;
+//
+@logo-size-breakpoint: (@results-width-min + @padding-small-default * 2);
+//
+@openSidebar-breakpoint: (@results-width-max + @padding-small-default * 2 + 60px);
+//
 #header-logo {
     z-index: 0;
     padding-right: 10px;
@@ -27,12 +46,24 @@
         font-size: 22px;
         display: inline-block;
     }
+    .screen-small {
+        display: none;
+    }
+    .screen-large {}
+    @media (max-width: @logo-size-breakpoint) {
+        .screen-large {
+            display: none;
+        }
+        .screen-small {
+            display: initial;
+        }
+    }
 }
 
 body {
-    &#resultBody {
+    &#resultpage-body {
         background-image: inherit;
-        background-color: #FAFAFA;
+        background-color: @resultpage-background-color;
     }
     &.quicktips {
         background-color: @quicktip-background-color;
@@ -186,7 +217,7 @@ a {
 }
 
 .description-container {
-    margin: 0!important;
+    margin: 0 !important;
 }
 
 .options-list>li {
@@ -211,7 +242,6 @@ a {
     display: none;
 }
 
-
 /* Hier der Style für die Bilder */
 
 #fit-width .masonry {
@@ -234,7 +264,6 @@ a {
     flex-wrap: wrap;
 }
 
-
 /* Placeholder für ladende Tabs */
 
 .loader {
@@ -284,7 +313,7 @@ a {
 }
 
 .lightslider {
-    overflow: visible!important;
+    overflow: visible !important;
 }
 
 #products {
@@ -317,7 +346,6 @@ a {
     }
 }
 
-
 /* New result style */
 
 .content-wrapper {
@@ -326,37 +354,178 @@ a {
 }
 
 #resultpage-container {
-    width: @result-width + @quicktip-width;
-    align-self: left;
-    display: flex;
-    justify-content: left;
-    margin-left: @results-margin-left;
-    background-color: #FAFAFA;
-    @media (max-width: (2 * @results-margin-left + @result-width + @quicktip-width - 1px)) {
-        width: @result-width;
+    margin: @padding-small-default;
+    display: grid;
+    grid-template-columns: @results-width-max @additions-width-max;
+    grid-template-areas: "searchbar ." "foki ." "results additions";
+    grid-column-gap: (@padding-small-default * 2);
+    grid-row-gap: @padding-small-default;
+    justify-items: stretch;
+    align-items: stretch;
+    /**/
+    background-color: @resultpage-background-color;
+    #research-bar-container {
+        grid-area: searchbar;
+        /**/
+        width: (@results-width-max + @padding-small-default * 2);
+        max-width: (@results-width-max + @padding-small-default * 2);
+    }
+    #research-bar-placeholder {
+        grid-area: searchbar;
+        /**/
+        max-width: @results-width-max;
+    }
+    #foki {
+        grid-area: foki;
+        /**/
+        max-width: @results-width-max;
+    }
+    #results-container {
+        grid-area: results;
+        /**/
+        max-width: @results-width-max;
+        .alert {
+            margin: @padding-small-default 0px;
+        }
+    }
+    #additions-container {
+        grid-area: additions;
+        /**/
+        //min-width: @additions-width-min;
+        max-width: @additions-width-max;
+        #search-settings {
+            display: none;
+        }
+    }
+    @media (max-width: @resultpage-breakpoint-large) {
+        @supports (display: grid) {
+            #research-bar-container {
+                width: ~"calc(60% - 1px)";
+            }
+            grid-template-columns:~"calc(60% - 8px)"~"calc(40% - 8px)";
+            grid-template-areas: "searchbar ." "foki ." "results additions";
+        }
+    }
+    @media (max-width: @resultpage-breakpoint-small) {
+        #research-bar-container {
+            width: 100%;
+        }
+        grid-template-columns: 100%;
+        grid-template-areas: "searchbar" "foki" "results";
         #additions-container {
             display: none;
-            float: right;
         }
     }
-    @media (max-width: (2 * @results-margin-left + @result-width - 1px)) {
+}
+
+#research-bar-container {
+    position: fixed;
+    z-index: 100;
+    top: 0;
+    left: 0;
+    background-color: @resultpage-background-color;
+    padding: 8px 8px 0px 8px;
+    #research-bar {
+        background-color: white;
+        border: 1px solid #ccc;
+        border-bottom: 2px solid @metager-orange;
+        box-shadow: 0px 1px 1.5px 0px rgba(0, 0, 0, 0.12), 1px 0px 1px 0px rgba(0, 0, 0, 0.24);
+        display: flex;
+        align-items: center;
+        padding: 4px;
+        .resultpage-searchbar {
+            .search-input-submit .search-input input {
+                border-bottom: 1px solid #ccc;
+            }
+            @media (max-width: @openSidebar-breakpoint) {
+                .search-focus-selector {
+                    border-top: none;
+                    border-radius: 5px;
+                }
+                .search-input-submit {
+                    border-radius: 5px;
+                }
+                >* {
+                    border-radius: 5px;
+                    min-height: 40px;
+                    &:not(:first-child) {
+                        border-left: 1px solid #aaa;
+                    }
+                }
+            }
+        }
+    }
+}
+
+#foki {
+    display: flex;
+    justify-content: left;
+    /*
+    @media (max-width: (@results-width-min + @additions-width-min - 1px)) {
         width: 100%;
-        justify-content: center;
+        max-width: none;
         margin: 0px;
-        padding: 0px @resultpage-leftbox-min-dist-left-right; // Verhindert, dass Text bei kleinen Bildschirmen an den Rand ragt
+        padding: @padding-small-default;
+        .scrollbox {
+            max-width: none;
+            margin: 0px;
+            #foki-box {
+                max-width: none;
+                margin: 0px;
+            }
+        }
     }
-    #results-container {
-        max-width: @result-width;
+    @media (max-width: (4 * @padding-small-default + @results-width-max + @additions-width-max - 1px)) {
+        padding-left: @padding-small-default;
+    }
+    @media (max-width: (@results-width-min + @additions-width-min - 1px)) {
         width: 100%;
-        .alert {
-            margin: 8px 0px;
+        max-width: 700px;
+        margin: 0px;
+        padding: @padding-small-default;
+        #research-bar {
+            max-width: none;
+            margin: 0px;
         }
     }
-    #additions-container {
-        padding-left: 50px;
-        width: @quicktip-width;
-        #search-settings {
-            display: none;
+    */
+    #foki-box {
+        display: -webkit-box;
+        display: -ms-flexbox;
+        display: flex;
+        width: 100%;
+        max-width: @resultpage-leftbox-max-width;
+        background-color: white;
+        border: 1px solid #ccc;
+        -webkit-box-shadow: 0px 1px 1.5px 0px rgba(0, 0, 0, 0.12), 1px 0px 1px 0px rgba(0, 0, 0, 0.24);
+        box-shadow: 0px 1px 1.5px 0px rgba(0, 0, 0, 0.12), 1px 0px 1px 0px rgba(0, 0, 0, 0.24);
+        overflow-x: visible;
+        padding: 10px;
+        @media (max-width: 700px) {
+            overflow-x: auto;
+        }
+        &>div {
+            padding: 0px 10px;
+            &>a {
+                color: black;
+            }
+            &.active>a {
+                border-bottom: 1px solid @metager-orange;
+                color: @metager-orange;
+            }
+            &:last-child {
+                padding-right: 20px
+            }
+        }
+        .edit-focus {
+            margin-left: 7px;
+        }
+        /* Scrollbar Style */
+        &::-webkit-scrollbar {
+            height: 0px;
+            /* remove scrollbar space */
+            background: transparent;
+            /* optional: just make scrollbar invisible */
         }
     }
 }
@@ -374,7 +543,43 @@ footer.resultPageFooter {
     max-width: 700px;
     margin-left: 50px;
     margin-top: 20px;
-    @media (max-width: (2 * @results-margin-left + @result-width - 1px)) {
+    @media (max-width: (2 * @results-margin-left + @results-width-max - 1px)) {
         margin: 20px 0 0 0;
     }
+}
+
+/* Searchbar Opener */
+
+#research-bar>.openSidebar {
+    display: none;
+    margin-right: 10px;
+    margin-left: 20px;
+}
+
+@media(max-width: @openSidebar-breakpoint) {
+    #resultpage-container>.openSidebar {
+        display: none;
+    }
+    #research-bar>.openSidebar {
+        display: initial;
+    }
+}
+
+/* Style-fixes for browsers that do not support grid layout */
+
+#resultpage-container {
+    #results-container {
+        float: left;
+        @media (max-width: @resultpage-breakpoint-small) {
+            float:none;
+        }
+    }
+    #additions-container {
+        float: left;
+        margin-left: 20px;
+        @supports (display: grid) {
+            float: none;
+            margin-left: 0px;
+        }
+    }
 }
\ No newline at end of file
diff --git a/resources/assets/less/metager/result.less b/resources/assets/less/metager/result.less
index c7dc485186eac5a9b68aef583db8ff49edaab2de..0834a6d00ab1282f134792e90140bf79931cab0c 100644
--- a/resources/assets/less/metager/result.less
+++ b/resources/assets/less/metager/result.less
@@ -50,7 +50,7 @@
             }
         }
     }
-    .result-body {
+    .resultpage-body {
         margin-top: 20px;
         .result-description {
             margin-bottom: 3px;
diff --git a/resources/assets/less/metager/searchbar.less b/resources/assets/less/metager/searchbar.less
index 5e8fa43c65e1fffa3893dc6ed423c356c8b164e7..e3a41ba771b5a0b463dbfc4e8af0a69113230688 100644
--- a/resources/assets/less/metager/searchbar.less
+++ b/resources/assets/less/metager/searchbar.less
@@ -24,9 +24,6 @@
         display: -ms-flexbox;
         display: flex;
         max-width: 600px;
-        @media (max-width: @screen-xs-max) {
-            max-width: initial;
-        }
     }
     .search-input {
         -webkit-box-flex: 1;
@@ -79,6 +76,9 @@
     }
     .search-input-submit {
         border-radius: 5px;
+        @media (max-width: @screen-xs-max) {
+            max-width: initial;
+        }
     }
     .search-submit {
         border-left: 1px solid #aaa;
@@ -104,159 +104,19 @@
     }
 }
 
-.resultpage-searchbar {
-    padding: 5px;
-    .search-input-submit .search-input input {
-        border-bottom: 1px solid #ccc;
-    }
-    @media (max-width: @screen-xs-max) {
-        .search-focus-selector {
-            border-top: none;
-            border-radius: 5px;
-        }
-        .search-input-submit {
-            border-radius: 5px;
-        }
-        >* {
-            border-radius: 5px;
-            min-height: 40px;
-            &:not(:first-child) {
-                border-left: 1px solid #aaa;
-            }
-        }
-        *:not(.search-submit) {
-            width: 100%;
-        }
-    }
-}
-
-@resultpage-leftbox-max-width: @result-width;
-@resultpage-leftbox-min-dist-left-right: 8px;
-@resultpage-leftbox-min-dist-top-bottom: 8px;
-@resultpage-leftbox-big-screen-margin-left: 50px;
-header {
-    padding-top: @resultpage-leftbox-min-dist-top-bottom;
-    display: -webkit-box;
-    display: -ms-flexbox;
-    display: flex;
-    -webkit-box-orient: vertical;
-    -webkit-box-direction: normal;
-    -ms-flex-direction: column;
-    flex-direction: column;
-    position: fixed;
-    z-index: 100; // Makes the header larger, so it correctly covers the non scrolling parts below
-    width: @resultpage-leftbox-max-width + @resultpage-leftbox-big-screen-margin-left + 10;
-    padding-left: @resultpage-leftbox-big-screen-margin-left;
-    background-color: inherit;
-    @media (max-width: 799px) {
-        width: 100%;
-        max-width: 799px;
-        margin: 0px;
-        padding: @resultpage-leftbox-min-dist-top-bottom @resultpage-leftbox-min-dist-left-right 0px @resultpage-leftbox-min-dist-left-right;
-        -webkit-box-pack: center;
-        -webkit-box-align: center;
-        -ms-flex-align: center;
-        align-items: center;
-    }
-    #research-bar {
-        width: 100%;
-        max-width: @resultpage-leftbox-max-width;
-        padding: 0px 30px 0px 10px;
-        background-color: white;
-        border: 1px solid #ccc;
-        border-bottom: 2px solid @metager-orange;
-        display: -webkit-box;
-        display: -ms-flexbox;
-        display: flex;
-        -webkit-box-align: center;
-        -ms-flex-align: center;
-        align-items: center;
-        -webkit-box-pack: center;
-        -ms-flex-pack: center;
-        justify-content: center;
-        -webkit-box-shadow: 0px 1px 1.5px 0px rgba(0, 0, 0, 0.12), 1px 0px 1px 0px rgba(0, 0, 0, 0.24);
-        box-shadow: 0px 1px 1.5px 0px rgba(0, 0, 0, 0.12), 1px 0px 1px 0px rgba(0, 0, 0, 0.24);
-        @media (max-width: 799px) {
-            margin: 0px @resultpage-leftbox-min-dist-left-right;
-        }
-    }
-}
-
 header:nth-child(1) {
     @media (max-width: 1400px) {
         position: relative;
     }
 }
 
-#foki {
-    display: -webkit-box;
-    display: -ms-flexbox;
-    display: flex;
-    -webkit-box-pack: left;
-    -ms-flex-pack: left;
-    justify-content: left;
-    margin-left: @resultpage-leftbox-big-screen-margin-left;
-    padding-top: 8px;
-    width: @resultpage-leftbox-max-width;
-    @media (max-width: 799px) {
-        width: 100%;
-        margin: 0px;
-        display: -webkit-box;
-        display: -ms-flexbox;
-        display: flex;
-        -webkit-box-pack: center;
-        -ms-flex-pack: center;
-        justify-content: center;
-        padding: @resultpage-leftbox-min-dist-top-bottom @resultpage-leftbox-min-dist-left-right 0px @resultpage-leftbox-min-dist-left-right;
-    }
-    #foki-box {
-        display: -webkit-box;
-        display: -ms-flexbox;
-        display: flex;
-        width: 100%;
-        max-width: @resultpage-leftbox-max-width;
-        background-color: white;
-        border: 1px solid #ccc;
-        -webkit-box-shadow: 0px 1px 1.5px 0px rgba(0, 0, 0, 0.12), 1px 0px 1px 0px rgba(0, 0, 0, 0.24);
-        box-shadow: 0px 1px 1.5px 0px rgba(0, 0, 0, 0.12), 1px 0px 1px 0px rgba(0, 0, 0, 0.24);
-        overflow-x: visible;
-        padding: 10px;
-        @media (max-width: 700px) {
-            overflow-x: auto;
-        }
-        &>div {
-            padding: 0px 10px;
-            &>a {
-                color: black;
-            }
-            &.active>a {
-                border-bottom: 1px solid @metager-orange;
-                color: @metager-orange;
-            }
-            &:last-child {
-                padding-right: 20px
-            }
-        }
-        .edit-focus {
-            margin-left: 7px;
-        }
-        /* Scrollbar Style */
-        &::-webkit-scrollbar {
-            height: 0px;
-            /* remove scrollbar space */
-            background: transparent;
-            /* optional: just make scrollbar invisible */
-        }
-    }
-}
-
 /* Scrollbar Style */
 
 @scrollfade-color: white;
 .scrollbox {
     position: relative;
     width: 100%;
-    max-width: @result-width;
+    max-width: @results-width-max;
     .foki-scrollfade {
         &-left,
         &-right {
@@ -295,10 +155,11 @@ header:nth-child(1) {
 
 #search-delete-btn {
     position: absolute;
-    right: 0;
-    bottom: 0px;
+    right: 2px;
+    bottom: 1px;
+    width: auto;
     border: none;
-    background-color: transparent;
+    background-color: white;
     font-size: 25px;
     font-weight: normal;
 }
\ No newline at end of file
diff --git a/resources/assets/less/metager/sidebar.less b/resources/assets/less/metager/sidebar.less
index db1714c8ac9f18ae788ab988d177f95d9a106b61..dec6ccb72481b0c1b94abd21dc8feb74561a6752 100644
--- a/resources/assets/less/metager/sidebar.less
+++ b/resources/assets/less/metager/sidebar.less
@@ -142,11 +142,13 @@ input#sideBarToggle:checked {
     }
 }
 
-label#openSidebar {
-    position: fixed;
-    top: 23px;
-    right: 25px;
-    z-index: 998;
+.openSidebar {
+    &.fixed {
+        position: fixed;
+        top: 23px;
+        right: 25px;
+        z-index: 998;
+    }
     font-size: 36px;
     line-height: 23px;
     border-radius: 5px;
diff --git a/resources/assets/less/metager/variables.less b/resources/assets/less/metager/variables.less
index c2f862dc95dfca975a22333d27b216fc7b3b1dff..ba9529a07ae70c6a1589428557c483339b4ff9a8 100644
--- a/resources/assets/less/metager/variables.less
+++ b/resources/assets/less/metager/variables.less
@@ -25,7 +25,8 @@ Arial,
 sans-serif;
 // General textual link color.
 @link-color: @metager-orange;
-
+//
+@padding-small-default: 8px;
 /* Unsorted */
 
 @quicktip-background-color: @color-white;
diff --git a/resources/views/layouts/ad.blade.php b/resources/views/layouts/ad.blade.php
index 09476d1adfe406b1dc6e527f4621b205d88a200e..3ad6119e7d72d917d2c93e450eed3d56fdad9427 100644
--- a/resources/views/layouts/ad.blade.php
+++ b/resources/views/layouts/ad.blade.php
@@ -14,7 +14,7 @@
 				{{ $ad->anzeigeLink }}
 			</a>
 		</div>
-		<div class="result-body">
+		<div class="resultpage-body">
 			<div class="result-description">
 				{{ $ad->descr }}
 			</div>
diff --git a/resources/views/layouts/researchandtabs.blade.php b/resources/views/layouts/researchandtabs.blade.php
index a84bea27ac0b54d27531e16bfc268607d436dabb..56fcf4e7fa4c0074be4cd8bc1c94384e55bde9ff 100644
--- a/resources/views/layouts/researchandtabs.blade.php
+++ b/resources/views/layouts/researchandtabs.blade.php
@@ -1,29 +1,32 @@
-<header>
-	<div id="research-bar">
-		<div id="header-logo">
-			<a class="hidden-xs" href="{{ LaravelLocalization::getLocalizedURL(LaravelLocalization::getCurrentLocale(), "/") }}">
-				<h1>MetaGer</h1>
-			</a>
-			<a class="visible-xs" href="{{ LaravelLocalization::getLocalizedURL(LaravelLocalization::getCurrentLocale(), "/") }}">
-				<h1>M</h1>
-			</a>
-		</div>
-		<div id="header-searchbar">
-			@include('parts.searchbar', ['class' => 'resultpage-searchbar', 'request' => Request::method()])
+<div id="resultpage-container">
+	<div id="research-bar-container">
+		<div id="research-bar">
+			<div id="header-logo">
+				<a class="screen-large" href="{{ LaravelLocalization::getLocalizedURL(LaravelLocalization::getCurrentLocale(), "/") }}">
+					<h1>MetaGer</h1>
+				</a>
+				<a class="screen-small" href="{{ LaravelLocalization::getLocalizedURL(LaravelLocalization::getCurrentLocale(), "/") }}">
+					<h1>M</h1>
+				</a>
+			</div>
+			<div id="header-searchbar">
+				@include('parts.searchbar', ['class' => 'resultpage-searchbar', 'request' => Request::method()])
+			</div>
+			@include('parts.sidebar-opener')
 		</div>
 	</div>
-</header>
-<div id="research-bar-placeholder"></div>
-<div id="foki">
-	<div class="scrollbox">
-		<div class="foki-scrollfade-left"></div>
-		<div id="foki-box">
-			@include('parts.foki')
+	<div id="research-bar-placeholder">
+	</div>
+	@include('parts.sidebar-opener', ['class' => 'fixed'])
+	<div id="foki">
+		<div class="scrollbox">
+			<div class="foki-scrollfade-left"></div>
+			<div id="foki-box">
+				@include('parts.foki')
+			</div>
+			<div class="foki-scrollfade-right"></div>
 		</div>
-		<div class="foki-scrollfade-right"></div>
 	</div>
-</div>
-<div id="resultpage-container">
 	<div id="results-container">
 		@yield('results')
 	</div>
diff --git a/resources/views/layouts/result.blade.php b/resources/views/layouts/result.blade.php
index 6615b06b2ccc9c6d7273c1cae2e8f742716a0b0c..0f7635b22c6b43a51e27729587894e7ebe2f2da2 100644
--- a/resources/views/layouts/result.blade.php
+++ b/resources/views/layouts/result.blade.php
@@ -21,7 +21,7 @@
 			</span>
 		@endif
 	</div>
-	<div class="result-body">
+	<div class="resultpage-body">
 		@if( isset($result->logo) )
 			<div class="result-logo">
 				<a href="{{ $result->link }}" target="{{ $metager->getNewtab() }}" rel="noopener">
diff --git a/resources/views/layouts/resultPage.blade.php b/resources/views/layouts/resultPage.blade.php
index b1d3dae2051c3e52e61a3251130ae05b43322025..d9d0aab8678a4d1b1747bcd13e1bbc5378e68210 100644
--- a/resources/views/layouts/resultPage.blade.php
+++ b/resources/views/layouts/resultPage.blade.php
@@ -23,7 +23,7 @@
 		<meta name="referrer" content="origin">
 		@include('parts.utility')
 	</head>
-	<body id="resultBody">
+	<body id="resultpage-body">
 		@if(Request::getHttpHost() === "metager3.de")
 		<div class="alert alert-info" style="text-align: center; position: fixed; bottom: 0;">
 		Sie befinden sich auf einer MetaGer Testversion. Hier werden Features vor der Veröffentlichung getestet. Unter Umständen funktioniert hier nicht alles wie gewohnt.
diff --git a/resources/views/layouts/staticPages.blade.php b/resources/views/layouts/staticPages.blade.php
index 0dbf5137839b880e5105d3046d6eebf7f1001695..31ccdf9b2d530b9b7c9eb697ec530a400df51cde 100644
--- a/resources/views/layouts/staticPages.blade.php
+++ b/resources/views/layouts/staticPages.blade.php
@@ -42,6 +42,7 @@
 			@yield('homeIcon')
 		</header>
 		@include('parts.sidebar', ['id' => 'staticPagesSideBar'])
+		@include('parts.sidebar-opener', ['class' => 'fixed'])
 		<div class="wrapper">
 			<main class="mg-panel">
 				@if (isset($success))
diff --git a/resources/views/parts/fake-result.blade.php b/resources/views/parts/fake-result.blade.php
index 952b300d6052e52f72f01911323f0fad499cfaba..bd09696b7441d6fc031c7b76a9473ec19bc52d6a 100644
--- a/resources/views/parts/fake-result.blade.php
+++ b/resources/views/parts/fake-result.blade.php
@@ -12,7 +12,7 @@
       de.wikipedia.org
     </a>
   </div>
-  <div class="result-body">
+  <div class="resultpage-body">
     <div class="result-description" data-tooltip="{{ trans('fake-result.description') }}">
       Wikipedia ist ein Projekt zum Aufbau einer Enzyklopädie aus freien Inhalten, zu denen du sehr gern beitragen kannst. Seit Mai 2001 sind 2.150.918 Artikel in ...
     </div>
diff --git a/resources/views/parts/sidebar-opener.blade.php b/resources/views/parts/sidebar-opener.blade.php
new file mode 100644
index 0000000000000000000000000000000000000000..9836ef0c7d56b5565d5b1bd748844096f4179dd0
--- /dev/null
+++ b/resources/views/parts/sidebar-opener.blade.php
@@ -0,0 +1 @@
+<label class="openSidebar {{$class or ''}}" role="button" for="sideBarToggle"></label>
\ No newline at end of file
diff --git a/resources/views/parts/sidebar.blade.php b/resources/views/parts/sidebar.blade.php
index bb95177cd79f168d945c2c23ce8ead1c53f91d9d..a8771e5049a14e7b60cd039863d442a8510d4679 100644
--- a/resources/views/parts/sidebar.blade.php
+++ b/resources/views/parts/sidebar.blade.php
@@ -1,5 +1,4 @@
 <input id="sideBarToggle" style="display: none;" type="checkbox">
-<label id="openSidebar" class="noprint" role="button" for="sideBarToggle"></label>
 <div class="sideBar">
   <label id="closeSidebar" role="button" for="sideBarToggle"></label>
   <a href="{{ LaravelLocalization::getLocalizedURL(LaravelLocalization::getCurrentLocale(), "/") }}">
diff --git a/webpack.mix.js b/webpack.mix.js
index f8fd523975b1abf39d72da6c30d657e924d11004..0f157f89bedac90d1939c3e0c0d324df9e6b55a5 100644
--- a/webpack.mix.js
+++ b/webpack.mix.js
@@ -12,9 +12,15 @@ let mix = require('laravel-mix');
  */
 
 mix
-  .less('resources/assets/less/default.less', 'public/css/themes/default.css')
-  .less('resources/assets/less/metager/beitritt.less', 'public/css/beitritt.css')
-  .less('resources/assets/less/utility.less', 'public/css/utility.css')
+  .less('resources/assets/less/default.less', 'public/css/themes/default.css', {
+    strictMath: true
+  })
+  .less('resources/assets/less/metager/beitritt.less', 'public/css/beitritt.css', {
+    strictMath: true
+  })
+  .less('resources/assets/less/utility.less', 'public/css/utility.css', {
+    strictMath: true
+  })
   // js
   .babel(['resources/assets/js/lib/jquery.js', 'resources/assets/js/lib/jquery-ui.min.js', 'resources/assets/js/lib/bootstrap.js', 'resources/assets/js/lib/lightslider.js',
     'resources/assets/js/lib/masonry.js', 'resources/assets/js/lib/imagesloaded.js', 'resources/assets/js/lib/openpgp.min.js', 'resources/assets/js/lib/iframeResizer.min.js',