.btn {
    padding: 10px 20px;
    border-radius: 5px;
    background: red;
    font-size: 14px;
}

.btn.btn-primary {
    background: var(--primary-color);
    color: #ffffff;
    border: none;
    font-size: 14px;
    cursor: pointer;
    transition: 0.3s;
}