Element block pseudo-element :before generated with box-sizing content-box background margin 0px overflow hidden height auto box-shadow 0px 2px 0px rgba(0,0,0,0.3) padding 20px z-index auto font-size 16px border-radius opacity 1 transform float none line-height 1 display block position static outline none font-weight normal width 160px text-shadow 1px 1px 1px rgba(0,0,0,0.2) border 0px rgba(0,0,0,1) solid cursor default transition