.gplaces-suggestions {
    list-style: none;
    margin: 0;
    padding: 0;
    border: 1px solid #ccc;
    background: #fff;
    position: absolute;
    z-index: 9999;
    max-height: 200px;
    overflow-y: auto;
    width: 100%;
    box-sizing: border-box;
}
.gplaces-suggestions li {
    padding: 8px;
    cursor: pointer;
}
.gplaces-suggestions li:hover {
    background-color: #f0f0f0;
}