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