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