.cartqtyrestrict-alert {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 9999;
    max-width: 340px;
    padding: 12px 40px 12px 16px;
    background: #fff3cd;
    border: 1px solid #ffc107;
    border-radius: 4px;
    color: #856404;
    box-shadow: 0 2px 8px rgba(0,0,0,.12);
    font-size: 14px;
    line-height: 1.5;
}

.cartqtyrestrict-alert .close {
    position: absolute;
    top: 8px;
    right: 10px;
    background: none;
    border: none;
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
    color: #856404;
    opacity: .7;
}

.cartqtyrestrict-alert .close:hover {
    opacity: 1;
}