www: specify that the installation command should be run as normal user

Fixes #112

www/ghcup.css

@@ -119,6 +119,7 @@ hr {
     margin-right: auto;
     padding-top: 1rem;
     padding-bottom: 1rem;
+    padding-right: 1rem;
     text-align: center;
     border-radius: 3px;
     box-shadow: inset 0px 0px 20px 0px #333333;
@@ -160,3 +161,8 @@ hr {
     margin-right: auto;
     padding: 1em;
 }
+
+.ghcup-command:before {
+    color: #999;
+    content: " $ ";
+}

www/index.html

@@ -25,20 +25,20 @@
       </p>
 
       <div id="platform-instructions-linux" class="instructions" style="display: none;">
-        <p>Run the following in your terminal, then follow the onscreen instructions.</p>
-        <pre>curl https://get-ghcup.haskell.org -sSf | sh</pre>
+        <p>Run the following in your terminal (as a user other than root), then follow the onscreen instructions.</p>
+		<pre><span class='ghcup-command'>curl https://get-ghcup.haskell.org -sSf | sh</span></pre>
         <p class="other-help">If you don't like curl | sh, see <a href="https://gitlab.haskell.org/haskell/ghcup/blob/master/README.md#manual-install">other installation methods</a>.<br/>You appear to be running Linux. If not, <a class="default-platform-button" href="#">display all supported installers</a>.</p>
       </div>
 
       <div id="platform-instructions-mac" class="instructions" style="display: none;">
-        <p>Run the following in your terminal, then follow the onscreen instructions.</p>
-        <pre>curl https://get-ghcup.haskell.org -sSf | sh</pre>
+        <p>Run the following in your terminal (as a user other than root), then follow the onscreen instructions.</p>
+		<pre><span class='ghcup-command'>curl https://get-ghcup.haskell.org -sSf | sh</span></pre>
         <p class="other-help">If you don't like curl | sh, see <a href="https://gitlab.haskell.org/haskell/ghcup/blob/master/README.md#manual-install">other installation methods</a>.<br/>You appear to be running macOS. If not, <a class="default-platform-button" href="#">display all supported installers</a>.</p>
       </div>
 
       <div id="platform-instructions-freebsd" class="instructions" style="display: none;">
-        <p>Run the following in your terminal, then follow the onscreen instructions.</p>
-        <pre>curl https://get-ghcup.haskell.org -sSf | sh</pre>
+        <p>Run the following in your terminal (as a user other than root), then follow the onscreen instructions.</p>
+		<pre><span class='ghcup-command'>curl https://get-ghcup.haskell.org -sSf | sh</span></pre>
         <p class="other-help">If you don't like curl | sh, see <a href="https://gitlab.haskell.org/haskell/ghcup/blob/master/README.md#manual-install">other installation methods</a>.<br/>You appear to be running FreeBSD. If not, <a class="default-platform-button" href="#">display all supported installers</a>.</p>
       </div>
 
@@ -77,8 +77,8 @@
 
         <!-- duplicate the default cross-platform instructions -->
         <div>
-          <p>If you are running Linux, macOS or FreeBSD,<br/>run the following in your terminal, then follow the onscreen instructions.</p>
-          <pre>curl https://get-ghcup.haskell.org -sSf | sh</pre>
+          <p>If you are running Linux, macOS or FreeBSD,<br/>run the following in your terminal (as a user other than root), then follow the onscreen instructions.</p>
+		  <pre><span class='ghcup-command'>curl https://get-ghcup.haskell.org -sSf | sh</span></pre>
           <p class="other-help">If you don't like curl | sh, see <a href="https://gitlab.haskell.org/haskell/ghcup/blob/master/README.md#manual-install">other installation methods</a>.</p>
         </div>
 
@@ -96,8 +96,8 @@
       <div id="platform-instructions-default" class="instructions">
         <div>
           <p>To install Haskell, if you are running Linux, macOS or FreeBSD,<br/>run the following
-          in your terminal, then follow the onscreen instructions.</p>
-          <pre>curl https://get-ghcup.haskell.org -sSf | sh</pre>
+          in your terminal (as a user other than root), then follow the onscreen instructions.</p>
+		  <pre><span class='ghcup-command'>curl https://get-ghcup.haskell.org -sSf | sh</span></pre>
           <p class="other-help">If you don't like curl | sh, see <a href="https://gitlab.haskell.org/haskell/ghcup/blob/master/README.md#manual-install">other installation methods</a>.</p>
         </div>
 
@@ -141,8 +141,8 @@
       <div id="platform-instructions-default" class="instructions">
         <div>
           <p>To install Haskell, if you are running Linux, macOS or FreeBSD,<br/>run the following
-          in your terminal, then follow the onscreen instructions.</p>
-          <pre>curl https://get-ghcup.haskell.org -sSf | sh</pre>
+          in your terminal (as a user other than root), then follow the onscreen instructions.</p>
+		  <pre><span class='ghcup-command'>curl https://get-ghcup.haskell.org -sSf | sh</span></pre>
           <p class="other-help">If you don't like curl | sh, see <a href="https://gitlab.haskell.org/haskell/ghcup/blob/master/README.md#manual-install">other installation methods</a>.</p>
         </div>