.ms-container{
  background: transparent url('/images/switch.png') no-repeat 50% 50%;
}

.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: #fff;
  color: #555555;
  float: left;
  width: 42%;
  font-weight:bolder;

}





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

    .ms-container .ms-list {
        -webkit-box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075);
        -moz-box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075);
        box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075);
        -webkit-transition: border linear 0.2s, box-shadow linear 0.2s;
        -moz-transition: border linear 0.2s, box-shadow linear 0.2s;
        -ms-transition: border linear 0.2s, box-shadow linear 0.2s;
        -o-transition: border linear 0.2s, box-shadow linear 0.2s;
        transition: border linear 0.2s, box-shadow linear 0.2s;
        border: 1px solid #ccc;
        -webkit-border-radius: 3px;
        -moz-border-radius: 3px;
        border-radius: 3px;
        position: relative;
        height: 300px;
        padding: 0;
        overflow-y: auto;
        margin-top: 8px;
    }



        .ms-container .ms-list.ms-focus {
            border-color: rgba(82, 168, 236, 0.8);
            -webkit-box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075), 0 0 8px rgba(82, 168, 236, 0.6);
            -moz-box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075), 0 0 8px rgba(82, 168, 236, 0.6);
            box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075), 0 0 8px rgba(82, 168, 236, 0.6);
            outline: 0;
            outline: thin dotted \9;
        }

    .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: 5px 0px 0px 5px;
        cursor: pointer;
        color: #999;
    }

    .ms-container .ms-selectable li.ms-elem-selectable,
    .ms-container .ms-selection li.ms-elem-selection {
        border-bottom: 1px #eee solid;
        padding: 2px 10px;
        color: #555;
        font-size: 14px;
        font-weight: normal;
    }

    .ms-container .ms-selectable li.ms-hover,
    .ms-container .ms-selection li.ms-hover {
        cursor: pointer;
        color: #fff;
        text-decoration: none;
        background-color: #08c;
    }

    .ms-container .ms-selectable li.disabled,
    .ms-container .ms-selection li.disabled {
        background-color: #eee;
        color: #aaa;
        cursor: text;
    }

@media (max-width: 979px) {

    .ms-container .ms-selectable, .ms-container .ms-selection {
        -webkit-appearance: none;
        width: 100%;
        margin-top: 15px;
    }


    .ms-container .ms-list {

        height:200px;
    }
        .ms-container {

        background: transparent url('') no-repeat 50% 50%;
    
        }

}