body
{
    margin: 0px;
    padding: 0px;
    overflow: hidden;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    background: linear-gradient(135deg, #6cb879 0%, #859fdf 50%, #569350 100%);
    background-attachment: fixed;
    display: flex;
    justify-content: center;
    vertical-align: top;
    min-height: 100vh;
    align-items: center;
}
iframe {
    position: fixed;
    top: 30px;
    left: 30px;
    width: calc(100vw - 60px);
    height: calc(100vh - 60px);
    border: 2px solid #ccc;
    border-radius: 15px;
    z-index: 1;
}
#cjbox
{
    border: 1px solid black;
    border-radius: 10px;
    width: 400px;
    height: 200px;
    top:100px; left: 150px;
    margin: 0 auto;
    padding: 5px;
    z-index: 999;
    position: absolute;
    background-color: #5bb56a;
    color: #000;
    will-change: transform;
}
#cjboxhead
{
    padding: 10px;
    border-radius: 8px;
    font-weight: bold;
    cursor: grab;
    color: white;
    background-color: #0a4261;
}
#cjboxhead:active
{
    cursor: grabbing;
}
.no-select {
    user-select: none;
    -webkit-user-select: none;
    -ms-user-select: none;
}