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