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