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