Improve css for tables

assets/css/table.css

@@ -41,4 +41,51 @@ th a {
 th a:focus,
 th a:hover {
     text-decoration: underline;
+}
+
+.table-fixed {
+    table-layout: fixed;
+    white-space: nowrap;
+}
+
+.table-fixed td {
+    white-space: nowrap;
+    overflow: hidden;
+    text-overflow: ellipsis;
+}
+
+.column-5 {
+    width: 5%;
+}
+
+.column-8 {
+    width: 7.5%;
+}
+
+.column-10 {
+    width: 10%;
+}
+
+.column-20 {
+    width: 20%;
+}
+
+.column-30 {
+    width: 30%;
+}
+
+.column-40 {
+    width: 40%;
+}
+
+.column-50 {
+    width: 50%;
+}
+
+.column-60 {
+    width: 60%;
+}
+
+.column-70 {
+    width: 70%;
 }