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