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