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