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