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