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