Element block pseudo-element :before generated with background border 3px rgba(0,0,0,1) solid margin 0px text-shadow 1px 1px 1px rgba(0,0,0,0.2) font-weight normal height auto box-sizing content-box z-index auto padding 20px display block float none cursor default width 160px font-size 16px transition border-radius position static line-height 1 overflow hidden box-shadow 1px 1px 1px rgba(0,0,0,0.3) transform