.multi-select-container {
    display: inline-block;
    position: relative;
}

    .multi-select-container .multi-select-menu {
        z-index: 1;
    }

.multi-select-menu {
    width: 800px !important;
    padding: 10px 10px 0px 10px !important;
    position: absolute;
    left: 0;
    top: 0.8em;
    float: left;
    min-width: 100%;
    background: #fff;
    margin: 1em 0;
    padding: 0.4em 0;
    border: 1px solid #aaa;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    display: none;
}

    .multi-select-menu input {
        margin-right: 0.3em;
        vertical-align: 0.1em;
    }

.multi-select-button {
    display: inline-block;
    font-size: 0.875em;
    padding: 0.2em 0.6em;
    max-width: 20em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    vertical-align: -0.5em;
    background-color: #fff;
    border: 1px solid #aaa;
    border-radius: 4px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    cursor: default;
}

    .multi-select-button:after {
        content: "";
        display: inline-block;
        width: 0;
        height: 0;
        border-style: solid;
        border-width: 0.4em 0.4em 0 0.4em;
        border-color: #999 transparent transparent transparent;
        margin-left: 0.4em;
        vertical-align: 0.1em;
    }

.multi-select-container--open .multi-select-menu {
    display: block;
    max-height: 400px;
    overflow-y: scroll;
}

.multi-select-container--open .multi-select-button:after {
    border-width: 0 0.4em 0.4em 0.4em;
    border-color: transparent transparent #999 transparent;
}

.multi-select-menuitems label {
    display: block !important;
    width: 100%;
    /*display: inline-block !important;*/
}