Element block pseudo-element :after generated with font-size 16px position absolute background overflow hidden border-radius display block font-weight normal transform line-height 1 text-shadow 1px 1px 1px rgba(0,0,0,0.2) padding 20px float left margin 0px box-sizing content-box border 0px rgba(0,0,0,1) solid transition z-index auto box-shadow 1px 1px 1px rgba(0,0,0,0.3) cursor default height 100% width 20%