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