.btn-rui{font-size:16px;border:0;display:flex;justify-content:center;align-items:center;height:48px;background:#ad5a55;color:#fff;transition:.3s;border-radius:8px;cursor:pointer;padding:0 32px;font-family:'Open Sans','Arial','Sans-Serif';text-transform:uppercase;text-decoration:none;box-sizing:border-box;-webkit-appearance:none}.btn-rui:hover{background:#814340}.btn-rui_center{margin:auto}.btn-rui_size_160{width:160px;max-width:100%;font-size:14px}.btn-rui_size_320{width:320px;max-width:100%;font-size:14px}.btn-rui_inline{display:inline-flex;height:auto;padding:8px 32px}@media screen and (max-width:768px){.btn-rui_inline{text-align:center}}