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