css3 button

gistfile1.css

.admin-mode-slider
          height: 24px
          margin-left: 10px
          background-color: #555
          @include border-radius(6px)
          position: relative
          @include box-shadow(0 0 6px 0 hsla(0, 0%, 0%, 0.25))

          .overlay
            position: absolute
            top: 0
            left: 0
            @include box-shadow(0 0 6px -2px hsla(0, 0%, 0%, 0.85), inset 0 -2px 6px -1px #fff)
            background-color: #d7d7d7
            @include linear-gradient(#d7d7d7, #b7b7b7)
            height: 24px
            width: 37px
            @include border-radius(6px)