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