Element block pseudo-element :after generated with background z-index auto display block padding 20px border-radius font-weight normal transition width 160px text-shadow 1px 1px 1px rgba(0,0,0,0.2) float none font-size 16px cursor default overflow hidden position static transform border 0px rgba(0,0,0,1) solid height auto box-sizing content-box line-height 1 box-shadow 1px 1px 1px rgba(0,0,0,0.3) margin 0px