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