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