html, body {
    height: 100%;
    background: rgba(0,0,0, 0.7);
}
body {
    margin: 0px;
    padding: 0px;
}

.section_tree {
    display: flex;
    width: 100%;
    height: 100%;
    position: relative;
}

.canvas_tree {
    /* height: 100vh; */
    height: 100%;
}

.section_tree .click {
    position: absolute;
    color: rgba(255,255,255, 0.2);
    font-size: 3em;
    left: 50%;
    bottom: 10px;
}

.disable-select {
  -webkit-user-select: none;  
  -moz-user-select: none;    
  -ms-user-select: none;      
  user-select: none;
}


#content {
    /* background: red; */
    height: 100%;
}