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