Element block pseudo-element :after generated with border 1px rgba(255,255,255,1) solid opacity 1 position fixed margin 0px width 29px line-height 1 text-shadow display block transform border-radius font-size 16px z-index auto float none cursor pointer overflow hidden box-shadow 5px 5px 8px rgba(0,0,0,0.4) font-weight normal transition padding 20px background height 30px outline none box-sizing content-box