diff --git a/index.css b/index.css
index f4a95584..d1090d87 100644
--- a/index.css
+++ b/index.css
@@ -13,13 +13,13 @@ input[name=ID] { width:48px; }
 input[name=url] { width:320px; }
 input[name=cmd] { background-color:black; color:white; width:100%; }
 input[type=button] { background-color:black; color:cyan; }
-input[type=button][name=restart] { background-color:blue; }
-input[type=button][name=start] { background-color:blue; }
-input[type=button][name=open] { background-color:blue; }
-input[type=button][name=stop] { background-color:red; }
-input[type=button][name=trash] { background-color:red; }
-input[type=button][name=delete] { background-color:red; }
-input[type=button][name=remove] { background-color:red; }
+input[type=button][name=restart] { background-color:blue; color:white; }
+input[type=button][name=start] { background-color:blue; color:white; }
+input[type=button][name=open] { background-color:blue; color:white; }
+input[type=button][name=stop] { background-color:red; color:white; }
+input[type=button][name=trash] { background-color:red; color:white; }
+input[type=button][name=delete] { background-color:red; color:white; }
+input[type=button][name=remove] { background-color:red; color:white; }
 textarea { background-color:cyan; padding:5px; width:100%; }
 /* output */
 div.project div.list { margin-left:10px; }
@@ -175,6 +175,10 @@ select, input[type=text], textarea { box-shadow:4px 4px 20px 4px #626bd0; }
 body.black input[type=text], body.black textarea { background-color:#243783bd; color:white; outline:none; }
 legend, select, input[type=button], div.tabs, div.item, span.item, th, td, h1, h2, h3 { cursor:pointer; }
 div.title, div.story[data-type=spark] { cursor:copy; }
+table.content tr:not(:hover) input[type=button][name=remove] { visibility:hidden; }
+table.content tr:not(:hover) input[type=button][name=delete] { visibility:hidden; }
+table.content tr:not(:hover) input[type=button][name=trash] { visibility:hidden; }
+table.content tr:not(:hover) input[type=button][name=stop] { visibility:hidden; }
 /* theme */
 body.black a { color:yellow; }
 body.black div.project div.zone>div.list>div.zone>div.item { background-color:#09466fc2; }