diff --git a/static/css/style.css b/static/css/style.css
index 79014cd..43569e2 100644
--- a/static/css/style.css
+++ b/static/css/style.css
@@ -60,3 +60,24 @@ code.has-jax {
     border: none !important;
     font-size: 100%;
 }
+
+alert {
+  position: relative;
+  padding: 0rem 1rem;
+  margin-bottom: 1rem;
+  border: 1px solid transparent;
+}
+
+.alert-warning {
+  border-style: solid;
+  border-color: #ed6a5a;
+  border-width: 0 0 0 4px;
+  padding-left: 1rem
+}
+
+.alert-heading {
+  font-family: sans-serif;
+  font-size: 1.5rem;
+  color: #ed6a5a;
+  weight: bold;
+}