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