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