fieldset{margin-bottom:1em}.tree{width:100%;min-height:500px}.tree-gradient,.tree-background{flex-wrap:wrap;justify-content:center;align-items:center;gap:.75em;display:flex}.tree-gradient label,.tree-background label{align-items:center;gap:.4em;display:inline-flex}.tree-gradient input[type=color],.tree-background input[type=color]{cursor:pointer;background:0 0;border:1px solid #00000040;width:2.6em;height:1.7em;padding:0}.sin input{background-color:#ebebeb;width:4em}