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