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