.contentContainer {
    border: 1px solid black;
    height: 600px;
    background: #fff;
}

#tree-simple{
    overflow: visible !important;
}

.node.nodeStyle {
    background: rgb(117, 121, 124);
    color: black;
    padding: 5px;
}


.Treant .node.collapsed .collapse-switch { background: none; }

.Treant .collapse-switch { width: 100%; height: 100%; border: none; }


.modalAST {
    background: rgba(0,0,0,0.9);
    flex-direction: column;
    align-items: center;
    position: fixed;
    z-index: 100;
    padding-top: 50px;
    display: flex;
    top: -200vh;
}

.modalContainer {
    background: white;
    width: 1200px; /*1200px*/
}

.headerContainer {
    background: #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
}

.titleContainer {
    font-size: 20px;
    margin: 0;
}

#closeASTContainer {
    border: none;
    background: transparent;
    color: red;
}

.contentModal {
    background: rgb(255, 255, 255);
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    padding: 20px;
}

.controls {
    width: 100%;
    text-align: center;
    margin-bottom: 20px;
}

.btnControl {
    border: none;
    padding: 10px;
    color: #fff;
    background: steelblue;
}

.modalAST.isActive {
    bottom: 0;
    top: 0;
    left: 0;
    right: 0; 
}