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