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