gistfile1.sass

      a
        display: block
        text-decoration: none
        color: #777
        padding: 0 10px
        box-sizing: border-box
        min-width: 80px
        text-align: center
        transition: background-color 0.5s ease-out

        &:hover
          &:not(.hover-disabled)
            transition: background-color 0s
            background-color: #fff

        &.hover-disabled
          &.touch
            transition: background-color 0s
            background-color: darken(#FFE500, 10%)