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