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