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