Element block pseudo-element :before generated with overflow hidden float left margin 0px border 0px rgba(0,0,0,1) solid line-height 1 background z-index auto padding 20px transform transition height auto box-shadow 1px 1px 1px rgba(0,0,0,0.3) position relative font-size 16px box-sizing content-box cursor pointer font-weight normal display block border-radius text-shadow 1px 1px 1px rgba(0,0,0,0.2) width 160px