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