#col_2list {
    MARGIN: 0px auto;
    width: 90%;
    min-width: 300px;
    max-width: 1300px;
    /* min-height: 500px; */
    margin: 0px auto;
    display: flex;
    flex-direction: row;
}
#col_2list>div:first-child {
    width: 70%;
    margin-right: 1%;
    margin-bottom: 20px;
    overflow: hidden;
}


#col_2list>div:last-child {
    width: 29%;
}
#col_2list>div:last-child ul#roll_box {
    width: 100%;
    z-index: 100;
    min-height: 200px;
    max-height: 512px;
    overflow-x: hidden;
    overflow-y: auto;
}


@media only screen and (min-width: 1px) and (max-width: 950px) {
    #col_2list {
        width: 90%;
        display: block;
    }
    #col_2list>div:first-child {
        width: 100%;
        display: block;
    }

    #col_2list>div:last-child {
        width: 100%;
        margin: 0px;
        padding: 0 10px;
        clear: both;
        
    }
}