.x-explorer-view {
    background-color: #fff;
}

.x-explorer-item {
    float: left;
}

.x-explorer-item-text {
    text-align: center;
}

.x-explorer-node-icon {
    height: 100px;
    width: 100px;
    background: url(images/explorer-node.png);
}

.x-explorer-leaf-icon {
    background: url(images/explorer-leaf.png);
}