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