conference_main/static/conference_main/styles/_schedule.sass

@@ -148,7 +148,7 @@ $col-time-width: 8%
   label
     flex: 1
     margin: 0
-    line-height: unset
+    line-height: var(--lh-sm)
     +padding(2, x)
     display: flex
     align-items: center
@@ -157,24 +157,39 @@ $col-time-width: 8%
 
   &.toggle
     i
+      --border-width: .075rem
+
       background-color: transparent
       // TODO: improve border-color contrast in theme light
-      border: var(--border-width) solid var(--border-color)
+      border: var(--border-width) solid currentColor
+      border-radius: var(--border-radius)
       color: currentColor
-      height: var(--spacer-4)
+      height: 2.0rem
       +margin(1, right)
       position: relative
       transition: background-color ease-in-out var(--transition-speed), box-shadow ease-in-out var(--transition-speed)
+      width: 2.0rem
+
+      +media-lg
+        height: var(--spacer-4)
         width: var(--spacer-4)
 
       &:before
         font-weight: bold
-        left: calc(var(--spacer-1) * -.5)
+        left: 0
         opacity: 0
         transform: scale(0)
         position: relative
         transition: opacity ease-in-out var(--transition-speed), transform ease-in-out var(--transition-speed)
-        top: calc(var(--spacer-1) * -1)
+        top: calc(var(--spacer-1) * -.5)
+
+        +media-sm
+          left: calc(var(--spacer-1) * -.75)
+          top: calc(var(--spacer-1) * -.75)
+
+        +media-lg
+          left: calc(var(--spacer-1) * -.25)
+          top: calc(var(--spacer-1) * -.25)
 
     input:checked
       &~label i
@@ -242,7 +257,7 @@ $col-time-width: 8%
   +padding(2, y)
   position: sticky
   top: 0
-  z-index: 10
+  z-index: calc(var(--zindex-fixed) + 2)
 
   +media-lg
     display: none
@@ -395,7 +410,7 @@ body.is-scrolled
     background-color: var(--color-bg)
     +padding(2, y)
     position: sticky
-    top: 0
+    top: var(--spacer-5)
     z-index: calc(var(--zindex-fixed) + 1)
 
   /* Vertical schedule scrolls to this during conference days. */