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