fixed video style

assets/sass/_theme/blocks/video.sass

@@ -36,13 +36,16 @@
                 border: 1px solid white
                 border-radius: 100%
                 color: white
-                z-index: 3
+                height: $spacing4
                 padding: half($spacing0)
                 transition: background-color .3s ease
+                width: $spacing4
+                z-index: 3
                 &::before
                     font-size: px2rem(100)
                     transition: color .3s ease
                     vertical-align: middle
+                    padding-left: px2rem(5)
                 &:hover
                     background-color: white
                     &::before