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