Fix watermark on cli tab. Previous commit broke text selection and

scrolling via the scrollbar.

tabs/cli.css

@@ -7,10 +7,14 @@
 }
 .tab-cli .backdrop {
     border: 1px solid silver;
-    background-color: black;
+    background-color: rgba(0,0,0,0.75);
 
     margin-top: 10px;
     height: calc(100% - 80px); /* - (p, textarea) */
+    background-image: url("../images/light-wide-1.svg");
+    background-repeat: no-repeat;
+    background-position: 50% 80%;
+    background-size: 600px;
 }
 .tab-cli .window {
     height:100%;

tabs/cli.html

@@ -2,7 +2,6 @@
     <p i18n="cliInfo">
     </p>
     <div class="backdrop">
-      <div id="content-watermark"></div>
       <div class="window">
           <div class="wrapper">
           </div>