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