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