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