Element block pseudo-element :before generated with background position static opacity 0.60 transform box-sizing content-box margin 0px line-height 1 box-shadow 1px 1px 1px rgba(0,0,0,0.3) z-index auto border-radius overflow hidden border 0px rgba(0,0,0,1) solid width 480px display inline-block transition font-size 16px height auto float left padding 0px cursor default font-weight normal text-shadow 1px 1px 1px rgba(0,0,0,0.2)