diff --git a/src/index.css b/src/index.css
index c5c1270..bb32c86 100644
--- a/src/index.css
+++ b/src/index.css
@@ -12,7 +12,7 @@
 @import 'stylesheets/labels.css';
 
 body {
-    background: url(./assets/images/plus.svg) #044F67;
+    background: url(./assets/images/plus.svg) #044f67;
     background-size: 8em;
 
     font-size: 1em;
@@ -26,7 +26,8 @@ body {
 }
 
 html {
-    font-family: 'Helvetica Neue', Helvetica, Arial, PingFangTC-Light, 'Microsoft YaHei', 微软雅黑, 'STHeiti Light', STXihei, '华文细黑', Heiti, 黑体, sans-serif;
+    font-family: 'Helvetica Neue', Helvetica, Arial, PingFangTC-Light, 'Microsoft YaHei', 微软雅黑, 'STHeiti Light',
+        STXihei, '华文细黑', Heiti, 黑体, sans-serif;
     margin: 0;
     padding: 0;
 }
@@ -44,19 +45,24 @@ html {
     display: inline-block;
 }
 
-#container, #container>*:first-child {
+#container,
+#container > *:first-child {
     border-top-left-radius: 2em;
 }
 
-#container, #container>*:last-child, #container>*:last-child>*:last-child {
+#container,
+#container > *:last-child,
+#container > *:last-child > *:last-child {
     border-bottom-right-radius: 2em;
 }
 
-.header .small-labels .group::before, .header .small-labels .label::before {
+.header .small-labels .group::before,
+.header .small-labels .label::before {
     color: #eee;
 }
 
-.identities .small-labels .group::before, .identities .small-labels .label::before {
+.identities .small-labels .group::before,
+.identities .small-labels .label::before {
     color: #333;
 }
 
@@ -69,11 +75,14 @@ html {
         padding: 0;
     }
 
-    #container, #container>*:first-child {
+    #container,
+    #container > *:first-child {
         border-top-left-radius: 0;
     }
 
-    #container, #container>*:last-child, #container>*:last-child>*:last-child {
+    #container,
+    #container > *:last-child,
+    #container > *:last-child > *:last-child {
         border-bottom-right-radius: 0;
     }
 
diff --git a/src/index.html b/src/index.html
index 960efb0..865d42c 100644
--- a/src/index.html
+++ b/src/index.html
@@ -85,11 +85,11 @@
                         debian gentoo
                     </span>
                     <span class="label">
-                        <i aria-hidden="true" class="fab fa-apple"></i>
-                        iOS macOS
+                        <i aria-hidden="true" class="fab fa-windows"></i>
                     </span>
                     <span class="label">
-                        <i aria-hidden="true" class="fab fa-windows"></i>
+                        <i aria-hidden="true" class="fab fa-apple"></i>
+                        iOS macOS
                     </span>
                 </div>
             </div>
diff --git a/src/stylesheets/header.css b/src/stylesheets/header.css
index 200dc8c..6cce44f 100644
--- a/src/stylesheets/header.css
+++ b/src/stylesheets/header.css
@@ -20,7 +20,7 @@
     line-height: 1.25em;
     margin: 0.25em 0;
     margin-right: 0.5em;
-    text-shadow: 2px 2px 4px rgba(0,0,0,.25);
+    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.25);
 }
 
 .section.header .name .chem-element {