diff --git a/web/src/scss/main.scss b/web/src/scss/main.scss
new file mode 100644
index 0000000000000000000000000000000000000000..048668b88aa197ddc75e19e3acd892b058696a05
--- /dev/null
+++ b/web/src/scss/main.scss
@@ -0,0 +1,5 @@
+.img-responsive > img {
+  display: block;
+  max-width: 100%;
+  height: auto;
+}