.ms-container {
    background: transparent url('../img/switch.png') no-repeat 50% 50%;
    width: 370px;
    max-width: 100%;
}

.ms-container:after {
    content: ".";
    display: block;
    height: 0;
    line-height: 0;
    font-size: 0;
    clear: both;
    min-height: 0;
    visibility: hidden;
}

.ms-container .ms-selectable,
.ms-container .ms-selection {
    background-color: #FFFFFF;
    color: #20232B;
    float: left;
    width: 45%;
}

.ms-container .ms-selection {
    float: right;
}

.ms-container .ms-list {
    box-sizing: border-box;
    background-color: #FFFFFF;
    box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.04);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    border: 1px solid #DEE2E7;
    border-radius: 8px;
    position: relative;
    height: 200px;
    padding: 0;
    overflow-y: auto;
}

.ms-container .ms-list.ms-focus {
    border-color: #FF8C00;
    box-shadow: 0 0 0 3px rgba(255, 140, 0, 0.15);
    outline: 0;
}

.ms-container ul {
    margin: 0;
    list-style-type: none;
    padding: 0;
}

.ms-container .ms-optgroup-container {
    width: 100%;
}

.ms-container .ms-optgroup-label {
    margin: 0;
    padding: 6px 10px;
    cursor: pointer;
    color: #505864;
    background-color: #F7F8FA;
}

.ms-container .ms-selectable li.ms-elem-selectable,
.ms-container .ms-selection li.ms-elem-selection {
    border-bottom: 1px solid #E8EAEE;
    padding: 6px 10px;
    color: #20232B;
    font-size: 14px;
}

.ms-container .ms-selectable li.ms-hover,
.ms-container .ms-selection li.ms-hover {
    cursor: pointer;
    color: #20232B;
    text-decoration: none;
    background-color: #FF8C00;
}

.ms-container .ms-selectable li.disabled,
.ms-container .ms-selection li.disabled {
    background-color: #F7F8FA;
    color: #8A929D;
    cursor: not-allowed;
}