structured-tree-view-styling.css

/* Styling mod by @sudokunym 
v 1.0 */

/* Colour for text */
.tree-item-inner {
    color: #353535;
}
.collapse-icon svg.svg-icon  {
    color: #464646;
}

/* Base */
.workspace-leaf-content[data-type="structured-tree-view"], element.style {
    background-color: #edf2fb;
    border-radius: 10px;
}

/* Level 1 */
.workspace-leaf-content[data-type="structured-tree-view"] .tree-item-children {
    background-color: #e2eafc;
    border-radius: 10px;
}

/* Level 2 */
.workspace-leaf-content[data-type="structured-tree-view"] .tree-item-children > div > .tree-item-children {
    background-color: #d7e3fc;
    border-radius: 10px;
}

/* Level 3 */
.workspace-leaf-content[data-type="structured-tree-view"] .tree-item-children > div > .tree-item-children > div > .tree-item-children {
    background-color: #ccdbfd;
    border-radius: 10px;
}

/* Level 4 */
.workspace-leaf-content[data-type="structured-tree-view"] .tree-item-children > div > .tree-item-children > div > .tree-item-children > div > .tree-item-children {
    background-color: #c1d3fe;
    border-radius: 10px;
}

/* Level 5 */
.workspace-leaf-content[data-type="structured-tree-view"] .tree-item-children > div > .tree-item-children > div > .tree-item-children > div > .tree-item-children > div > .tree-item-children {
    background-color: #b6ccfe;
    border-radius: 10px;
}

/* Level 6 */
.workspace-leaf-content[data-type="structured-tree-view"] .tree-item-children > div > .tree-item-children > div > .tree-item-children > div > .tree-item-children > div > .tree-item-children > div > .tree-item-children > div > .tree-item-children {
    background-color: #abc4ff;
    border-radius: 10px;
}
/* .workspace-leaf-content[data-type="structured-tree-view"], */