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