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