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