side_menu/templates/css/stylesheet.php

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

<?php if ($_['opener-only']): ?>
  #nextcloud {
    display: none;
  }
<?php endif; ?>

<?php if ($_['size-text'] === 'hidden'): ?>
  #side-menu, .side-menu-apps-list {
    <?php if ($_['size-icon'] === 'big'): ?>
      width: 55px;
    <?php else: ?>
      width: 52px;
    <?php endif; ?>
  }

  #side-menu .side-menu-opener {
    <?php if ($_['size-icon'] === 'big'): ?>
      margin-left: 1px;
    <?php else: ?>
      margin-left: 0px;
    <?php endif; ?>
  }
<?php endif; ?>

<?php if ($_['size-icon'] === 'hidden'): ?>
  .side-menu-app-icon {
    display: none;
  }
<?php elseif ($_['size-icon'] === 'small'): ?>
  .side-menu-app-icon svg {
    width: 15px;
    height: 15px;
  }

  img.side-menu-app-icon {
    width: 15px;
    height: 15px;
  }
<?php elseif ($_['size-icon'] === 'normal'): ?>
  .side-menu-app-icon svg {
    width: 20px;
    height: 20px;
  }

  img.side-menu-app-icon {
    width: 20px;
    height: 20px;
  }
<?php elseif ($_['size-icon'] === 'big'): ?>
  .side-menu-app-icon svg {
    width: 23px;
    height: 23px;
  }

  img.side-menu-app-icon {
    width: 23px;
    height: 23px;
  }
<?php endif; ?>

<?php if ($_['size-text'] === 'hidden'): ?>
  .side-menu-app-text {
    display: none;
  }
<?php elseif ($_['size-text'] === 'small'): ?>
  .side-menu-app-text {
    font-size: 12px;
  }
<?php elseif ($_['size-text'] === 'big'): ?>
  .side-menu-app-text {
    font-size: 16px;
  }
<?php endif; ?>

<?php if ($_['always-displayed']): ?>
  #content {
    left: 53px;
    width: calc(100% - (var(--body-container-margin) * 2) - 62px);
  }

  #content-vue {
    width: calc(100% - (var(--body-container-margin) * 2) - 60px);
    margin-left: 11px;
  }
<?php endif; ?>