CSS improvements

web/src/sass/_common.sass

@@ -40,6 +40,14 @@ $cl: #191919
   50%
     opacity: 0
 
+@keyframes iridescent
+  0%
+    background-position: 0% 50%
+  50%
+    background-position: 100% 50%
+  100%
+    background-position: 0% 50%
+  
 body
   min-width: 360px
   +f
@@ -633,7 +641,9 @@ a.btn
     left: 0
     right: 0
     bottom: 0
-    background-image: linear-gradient(-225deg, #FFE2EB 0%, #D8F5F5 100%)
+    background: linear-gradient(-45deg, #FFE2EB, #D8F5F5, #FFE2EB, #D8F5F5)
+    background-size: 200% 200%
+    animation: iridescent 8s ease infinite
     opacity: .8
     z-index: -2
   &__center
@@ -1493,8 +1503,7 @@ a.grey-link
     margin-bottom: 5px
     +fb
     font-size: 20px
-    text-transform: uppercase
+    letter-spacing: 2px
-    letter-spacing: 4px
     +t
       font-size: 12px
       letter-spacing: 2px
@@ -3759,7 +3768,7 @@ a.grey-link
         height: 8px
         background: #EE4630
         border-radius: 50%
-        animation: blinker 2s linear infinite;
+        animation: blinker 2s linear infinite
   &__date
     opacity: .5
     +m