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