.combobox-widget {
    display: inline-flex;
    position: relative;
    align-items: stretch;
    font-family: sans-serif;
}

.combobox-native-widget,
.combobox-native-widget option {
    font-family: sans-serif;
}

.combobox-input {
    flex: 1;
    min-width: 0;
    padding: 2px 4px;
    border: 1px solid #aaa;
    border-right: none;
    border-radius: 3px 0 0 3px;
    font-family: sans-serif;
    font-size: 13px;
    outline: none;
}

.combobox-input:focus {
    border-color: #4a90d9;
}

.combobox-input[readonly] {
    cursor: default;
    background-color: #f6f6f6;
}

.combobox-button {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 6px;
    border: 1px solid #aaa;
    border-radius: 0 3px 3px 0;
    background-color: #e0e0e0;
    font-size: 10px;
    cursor: pointer;
    user-select: none;
}

.combobox-button:hover {
    background-color: #d0d0d0;
}

.combobox-dropdown {
    position: fixed;
    /* Above dialogs (10001) and other modal-overlay layers so the
       dropdown is visible when the combobox is inside a modal. */
    z-index: 100000;
    background-color: #fff;
    border: 1px solid #aaa;
    box-shadow: 2px 2px 6px rgba(0, 0, 0, 0.15);
    max-height: 200px;
    overflow-y: auto;
    font-family: sans-serif;
    font-size: 13px;
}

.combobox-item {
    padding: 3px 6px;
    cursor: pointer;
    white-space: nowrap;
}

.combobox-item:hover {
    background-color: #cde;
}