Don't change inline download button on hover (tutorial & projects) (#1109)

theme/style.less

@@ -27,7 +27,11 @@
 
 .ui.button.download-button:hover {
     background-color: #00ED00;
-    color: black !important;
+    color: black;
+}
+
+.docs.inlinebutton.ui.button.download-button:hover {
+    &:extend(.ui.purple.button all);
 }
 
 .ui.button.play-button.play-button-full {