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