diff --git a/front/src/css/about.css b/front/src/css/about.css
index 8bf7c0d..2e8b784 100644
--- a/front/src/css/about.css
+++ b/front/src/css/about.css
@@ -1,6 +1,11 @@
 .about {
   margin: 3em auto;
-  width: 50%;
+  width: 80%;
+}
+@media (min-width: 640px) {
+  .about {
+    width: 50%;
+  }
 }
 .about p {
   margin: 2em;
diff --git a/front/src/less/about.less b/front/src/less/about.less
index 3c20359..0f101e9 100644
--- a/front/src/less/about.less
+++ b/front/src/less/about.less
@@ -1,6 +1,10 @@
 .about {
     margin: 3em auto;
-    width: 50%;
+    width: 80%;
+
+    @media (min-width: 640px) {
+        width: 50%;
+    }
 }
 
 .about p {