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