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