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