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