Add chartdiv to darkstyle

homepage/static/dark-style.css

@@ -137,6 +137,19 @@ button:hover {
   font-size: x-large;
 }
 
+.chartdiv {
+  position: fixed;
+  top: 0%;
+  left: 50%;
+  width: calc(40% - 2px);
+  height: calc(25% - 2px);
+  background-color: #2b2b2b;
+  z-index: 9999;
+  overflow: auto;
+  border-radius: 5px;
+  box-shadow: 0 4px 8px #f5f5f5;
+}
+
 .logo img {
   position: absolute;
   top: 0;