.h4u-tgr{background:#0e141c;border:1px solid #1b2532;border-radius:12px;padding:16px;text-align:center}
.h4u-tgr-btn{cursor:pointer;border:1px solid #00ff88;background:transparent;color:#e8f2ff;border-radius:10px;padding:10px 16px;font:inherit}
.h4u-tgr-btn:hover{background:#11222b}
.h4u-tgr-box iframe{width:100%;border:0;border-radius:10px}