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