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