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