.htmlloading_html {
    position: absolute;
    right: 20px;
    top: 0px;
    width: 280px;
    height: 300px;
    padding-bottom: 5px;
    overflow: auto;
    background: #f8f8f8;
    border: 1px solid #ccc;
    z-index: 100;
}

.htmlloading_generate {
    position: absolute;
    min-width: 100%;
    min-height: 200px;
    overflow: auto;
    background: #f8f8f8;
    border: 1px solid #ccc;
    z-index: 100;
    margin-top: -90px;
    margin-left: 0px;
}