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