Добавил линии к бэкдропам Весперы

src/components/containers/CoverBackdrop/styles.module.scss

@@ -22,7 +22,18 @@
     height: 100%;
     top: 0;
     left: 0;
-    background: url('../../../sprites/stripes.svg') $content_bg_backdrop;
+    background: $content_bg_backdrop;
+  }
+
+  &::before {
+    content: '';
+    background: url('../../../sprites/stripes.svg');
+    position: absolute;
+    width: 100%;
+    height: 100%;
+    top: 0;
+    left: 0;
+    opacity: 0.5;
   }
 
   img {

src/components/containers/PageCoverProvider/styles.module.scss

@@ -29,7 +29,7 @@
     left: 0;
     width: 100%;
     height: 100%;
-    background: url(../../../sprites/stripes.svg) $content_bg_backdrop;
+    background: $content_bg_backdrop;
   }
 
   @include tablet {

src/components/sidebar/SidebarStack/styles.module.scss

@@ -1,7 +1,8 @@
 @import 'src/styles/variables';
 
 .stack {
-  background: $content_bg_backdrop;
+  @include blur;
+
   display: flex;
   flex-direction: row-reverse;
   width: auto;

src/styles/_mixins.scss

@@ -122,7 +122,7 @@
   @include can_backdrop {
     backdrop-filter: blur($radius);
     -webkit-backdrop-filter: blur($radius);
-    background-color: $color;
+    background: $color;
   }
 }
 

src/styles/themes/_horizon.scss

@@ -72,7 +72,8 @@ $_ocean: #25b0bc;
     --content_bg_success: #{transparentize($_accent, 0.7)};
     --content_bg_info: #{transparentize($_lemon, 0.7)};
     --content_bg_danger: #{transparentize($_red, 0.5)};
-    --content_bg_backdrop: #{transparentize($_cold, 0.2)};
+    --content_bg_backdrop: 50% 50% / cover no-repeat
+      url('/images/horizon_bg.svg') #{transparentize($_cold, 0.4)};
 
     // white shades (move to --vars)
     --white: white;
@@ -86,7 +87,15 @@ $_ocean: #25b0bc;
         $_cold,
         4%
       )} fixed;
-    --page-background-top: none;
-    --boris-background: linear-gradient(#{$_ocean} -200%, transparent 50%);
+    --page-background-top: linear-gradient(
+      #{$_accent} -150%,
+      #{transparentize($_ocean, 0.99)} 100px,
+      #{transparentize($_ocean, 1)} 200px
+    );
+    --boris-background: linear-gradient(
+      #{$_accent} -150%,
+      #{transparentize($_ocean, 0.9)} 50px,
+      #{transparentize($_ocean, 1)} 400px
+    );
   }
 }