:root{--primary-color: black;--second-color: grey}.btn-danger{background-color:var(--primary-color);border-color:var(--primary-color)}.btn-danger:hover,.btn-danger:not(:disabled):not(.disabled):active{background-color:var(--primary-color);border-color:var(--primary-color);box-shadow:0 6px 22px #0000001a;transition:all .2s ease-in-out;-moz-transition:all .2s ease-in-out;-webkit-transition:all .2s ease-in-out}.btn-danger:not(:disabled):not(.disabled):active:focus,.btn-common:not(:disabled):not(.disabled):active:focus{box-shadow:0 0 0 .2rem var(--second-color)}.btn-common{background-color:var(--primary-color);position:relative;z-index:1}.btn-common:hover{color:#fff;background-color:var(--primary-color);box-shadow:0 6px 22px #0000001a;transition:all .2s ease-in-out;-moz-transition:all .2s ease-in-out;-webkit-transition:all .2s ease-in-out}