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