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