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