:root {
    <?php foreach ($_['vars'] as $key => $value): ?>
        <?php if ($key === 'opener'): ?>
            --side-menu-<?php echo $key ?>: url('../img/<?php echo $value ?>.svg');
        <?php else: ?>
            --side-menu-<?php echo $key ?>: <?php echo $value ?>;
        <?php endif; ?>
    <?php endforeach; ?>
}

<?php if ($_['display-logo'] === false): ?>
.side-menu-logo {
    display: none;
}

.side-menu-header {
    height: 50px;
}

.side-menu-apps-list {
    height: calc(100vh - 60px);
    top: 60px;
}
<?php endif; ?>