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