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