diff --git a/style/blue.css b/style/blue.css
index 8a6f5fc..e425310 100644
--- a/style/blue.css
+++ b/style/blue.css
@@ -12,7 +12,8 @@ nav > a:last-child {
     margin: 10px;               /*to collapse margins*/
 }
 
-nav > a:hover {
+nav > a:hover,
+.button:hover {
     background-color: #bfeaff;
 }
 
diff --git a/style/main.css b/style/main.css
index 1cebb78..ff77983 100644
--- a/style/main.css
+++ b/style/main.css
@@ -10,7 +10,7 @@ html, body {
 
 .button {
     width: 180px;
-    flex: auto;
+  	border-radius: 5px;
     display: block;
     padding: 20px;
     background-color:  #cde6ea;
@@ -24,10 +24,6 @@ html, body {
     transition: background-color 0.2s ease;
 }
 
-.button:hover {
-	background-color: rgba(0, 0, 0, 0.2);
-}
-
 nav {
     display: flex;
     overflow: hidden;
@@ -53,7 +49,8 @@ nav > a.current {
     background-color: #5db9ef;
 }
 
-nav > a:hover {
+nav > a:hover,
+.button:hover {
     background-color: rgba(0, 0, 0, 0.2);
 }
 
@@ -184,6 +181,7 @@ nav > a > div {
 	color: #777;
 
 	text-align: left;
+  	box-sizing: border-box;
 }