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