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