.dropdown-list {
    position: absolute;
    background: #fff;
    border: 1px solid #ddd;
    max-height: 180px;
    overflow-y: auto;
    width: 100%;
    z-index: 999;
    display: none;
}

.dropdown-item {
    padding: 8px 12px;
    cursor: pointer;
}

.dropdown-item:hover {
    background: #f1f1f1;
}