Element block pseudo-element :after generated with float left width 30% position static border 2px rgba(0,0,0,1) solid z-index auto outline none font-weight normal text-shadow 1px 1px 1px rgba(0,0,0,0.2) margin 0px background transition display block box-shadow 1px 1px 1px rgba(0,0,0,0.3) opacity 1 overflow hidden font-size 16px transform height 60% cursor default border-radius padding 50px line-height 1 box-sizing content-box