.left_box, .right_box{
    float: left;
    width:48%;
    border:1px solid #ccc;
    border-radius:5px;
    height: auto;
    margin-right :10px ;
    min-height: 300px;    
}

ul.accordion_ul {
    padding: 5px;
    margin: 0;
    min-height: 350px;
    max-height: 350px;
    overflow-y: auto;
}
.accordion_ul li{
    padding: 8px;
    font-weight: bold !important;
    cursor: move;
    height: auto;
    background: #fafafa !important;
    border-radius: 2px;
}