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