diff --git a/console/slides/presets/layout_C1a b/console/slides/presets/layout_C1a
new file mode 100644
index 0000000..b246ce3
--- /dev/null
+++ b/console/slides/presets/layout_C1a
@@ -0,0 +1,3 @@
+<div style="position: absolute; width: calc(100% - 120px); height: calc(100% - 120px); left: 60px; top: 60px;">
+  
+</div>
\ No newline at end of file