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