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