diff --git a/src/theme/css/chrome.css b/src/theme/css/chrome.css
index fe15bb76..e5defd1e 100644
--- a/src/theme/css/chrome.css
+++ b/src/theme/css/chrome.css
@@ -47,7 +47,7 @@ a > .hljs {
     cursor: pointer;
     transition: color 0.5s;
 }
-@media only screen and (max-width: var(--narrow-device-max-width)) {
+@media only screen and (max-width: 420px) {
     #menu-bar i, #menu-bar .icon-button {
         margin: 0 5px;
     }
@@ -155,12 +155,12 @@ html:not(.sidebar-visible) #menu-bar:not(:hover).folded > #menu-bar-sticky-conta
     right: var(--page-padding);
 }
 
-@media only screen and (max-width: var(--page-plus-sidebar-width)) {
+@media only screen and (max-width: 1080px) {
     .nav-wide-wrapper { display: none; }
     .nav-wrapper { display: block; }
 }
 
-@media only screen and (max-width: calc(var(--page-plus-sidebar-width) + var(--sidebar-width))) {
+@media only screen and (max-width: 1380px) {
     .sidebar-visible .nav-wide-wrapper { display: none; }
     .sidebar-visible .nav-wrapper { display: block; }
 }
@@ -321,7 +321,7 @@ ul#searchresults span.teaser em {
 .sidebar-visible .page-wrapper {
     transform: translateX(var(--sidebar-width));
 }
-@media only screen and (min-width: var(--sidebar-reflow-width)) {
+@media only screen and (min-width: 620px) {
     .sidebar-visible .page-wrapper {
         transform: none;
         margin-left: var(--sidebar-width);
diff --git a/src/theme/css/variables.css b/src/theme/css/variables.css
index aea51b63..586706af 100644
--- a/src/theme/css/variables.css
+++ b/src/theme/css/variables.css
@@ -5,10 +5,6 @@
     --sidebar-width: 300px;
     --page-padding: 15px;
     --content-max-width: 750px;
-    --content-min-width: 320px;
-    --page-plus-sidebar-width: calc(var(--content-max-width) + var(--sidebar-width) + var(--page-padding) * 2);
-    --sidebar-reflow-width: calc(var(--sidebar-width) + var(--content-min-width));
-    --narrow-device-max-width: 420px;
 }
 
 /* Themes */