.rainbow_btn{border-radius:8px;background:rgba(10,15,40,.85);color:#fff;padding:12px 32px;outline:none;border:2px solid #8b5cf6;box-shadow:0 0 8px 2px #8b5cf6,inset 0 0 0 2px #1a1a40;position:relative;font-size:20px;font-weight:500;transition:box-shadow .3s,border-color .3s;z-index:1}.rainbow_btn:focus,.rainbow_btn:hover{box-shadow:0 0 16px 4px #8b5cf6,inset 0 0 0 2px #1a1a40;border-color:#a21caf}.rainbow_btn.disabled,.rainbow_btn:disabled{opacity:.3;filter:grayscale(1);pointer-events:none;box-shadow:none;border-color:#8b5cf6}