diff --git a/app/assets/stylesheets/layout.css b/app/assets/stylesheets/layout.css
index b4a1fa5..64e04ea 100644
--- a/app/assets/stylesheets/layout.css
+++ b/app/assets/stylesheets/layout.css
@@ -8,18 +8,25 @@ body {
   font-size: 1.1em;
   background-color: var(--background-color);
   min-width: 30em;
+  padding: 0;
+  margin: 0;
 }
 
 main {
   background: linear-gradient(180deg, rgba(227,220,190,1) 0%, rgba(255,248,238,1) 100%);
-  max-width: 80vw;
   display: flex;
   flex-direction: column;
   padding: 1em 1em 4em 1em;
-  margin: 0 auto;
   min-height: calc(100vh - var(--header-height));
 }
 
+@media(min-width: 800px) {
+  main, footer, header {
+    margin: 0 auto;
+    max-width: 80vw;
+  }
+}
+
 aside.flash {
   background-color: var(--notice-bg-color);
   color: var(--notice-text-color);
@@ -46,26 +53,11 @@ h1, h2 {
 
 header {
   background: linear-gradient(180deg, rgba(34,45,113,1) 0%, rgba(22,90,157,1) 100%);
-  position: relative;
-  padding: 0 50px;
-  margin-right: 2em;
   height: var(--header-height);
 }
-
-/* Angled banner end */
-header:before {
-  content: "";
-  width: 0;
-  height: 0;
-  border-top: calc(var(--header-height) / 2) solid transparent;
-  border-bottom: calc(var(--header-height) / 2) solid transparent;
-  border-right: calc(var(--header-height) / 2) solid var(--background-color);
-  position: absolute;
-  right:0;
-}
-
 header h1 {
-  padding: 1em 0;
+  margin: 0;
+  padding: 1em;
 }
 
 header h1 a:link, header h1 a:visited {
@@ -77,6 +69,8 @@ header nav {
   ul {
     display: flex;
     justify-content: center;
+    margin: 0;
+    padding: 0;
   }
   li {
     list-style-type: none;
@@ -172,7 +166,6 @@ footer {
   padding: 1em;
   margin: 0 auto;
   font-size: .8em;
-  max-width: 80vw;
   a:link, a:visited {
     color: var(--header-text-color);
     text-decoration: none;