Update sponsors

docs/_sass/footer.sass

@@ -54,6 +54,13 @@
 .bd-footer-donation
   flex: none
 
+.bd-footer-donation-items
+  display: flex
+  flex-wrap: wrap
+  justify-content: center
+  .bd-footer-sponsor
+    width: 12rem
+
 .bd-footer-sponsor a
   @extend %center
   height: 70px

docs/_sass/index.sass

@@ -149,6 +149,7 @@
   max-width: $intro-width
 
 .bd-focus-item
+  @extend %link-before-background
   border-radius: $radius-large
   padding-top: 1.25rem
   position: relative
@@ -165,22 +166,6 @@
     position: relative
     strong
       color: currentColor
-  &::before
-    +overlay
-    background-color: $scheme-main-bis
-    border-radius: $radius-large
-    content: ""
-    display: block
-    opacity: 0
-    pointer-events: none
-    transform: scale(1.1)
-    transform-origin: center
-    transition-duration: $speed * 2
-    transition-property: opacity, transform
-  &:hover
-    &::before
-      opacity: 1
-      transform: scale(1)
     .subtitle
       color: $text
   &:nth-child(1):hover

docs/_sass/sponsors.sass

@@ -24,8 +24,9 @@ $bd-partner-width: 12rem
   max-width: (8 * $bd-partner-width)
 
 .bd-partner-sponsor
-  align-items: center
+  align-items: stretch
   display: flex
+  flex-direction: column
   justify-content: center
   margin: 0.25rem 1rem
   // min-height: $carbon-height + $carbon-poweredby-height
@@ -36,6 +37,18 @@ $bd-partner-width: 12rem
     font-size: 0.875em
     line-height: 1.25
     min-height: 0
+    .bd-sponsor-item
+      display: inline
+    .bd-sponsor-item:before
+      display: none
+
+.bd-sponsor-item
+  @extend %link-before-background
+  @extend %center
+  flex-grow: 1
+  position: relative
+  img
+    position: relative
 
 .bd-partnrs
   background-color: $scheme-main-bis