.ui-autocomplete {
    max-height: 200px;
    overflow-y: auto;
    overflow-x: hidden;
    z-index: 9999 !important;
}

.ui-menu-item {
    padding: 5px;
}

    .ui-menu-item:hover {
        background-color: #f0f0f0;
        cursor: pointer;
    }

.ui-helper-hidden-accessible {
    border: 0;
    clip: rect(0 0 0 0);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
}