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