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