@charset "utf-8";

.op_h1 { font-size: 20px; font-weight: 700; }
.op_h2 { font-size: 18px; font-weight: 700; }
.op_link { font-size: 16px; }

/* responsive for smartphones */
@media (max-width: 768px) {
    .op_h1 { font-size: 16px; font-weight: 700; }
    .op_h2 { font-size: 14px; font-weight: 700; }
    .op_link { font-size: 12px; }
}