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