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