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