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