third_party/devtools/front_end/layer_viewer/layers3DView.css

/*
 * Copyright 2016 The Chromium Authors. All rights reserved.
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

.layers-3d-view {
    overflow: hidden;
    user-select: none;
}

.toolbar {
    background-color: var(--toolbar-bg-color);
    border-bottom: var(--divider-border);
}

canvas {
    flex: 1 1;
}

.layers-3d-view > canvas[data-keyboard-focus="true"]:focus {
  outline: auto 5px -webkit-focus-ring-color;
}