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