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