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