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