Changed some UI and added changing fonts

CCharLearn/wwwroot/css/app.css

@@ -96,4 +96,46 @@ a, .btn-link {
 }
 .loading-progress-text:after {
         content: var(--blazor-load-percentage-text, "Loading");
-    }
+    }
+
+@font-face {
+  font-family: 'HanyiSentyRubber';
+  src: url(../fonts/HanyiSentyRubber.ttf) format('truetype');
+}
+
+@font-face {
+  font-family: 'mini-jian-caocuyuan';
+  src: url(../fonts/mini-jian-caocuyuan.ttf) format('truetype');
+}
+
+@font-face {
+  font-family: 'myoungheihk';
+  src: url(../fonts/myoungheihk.ttf) format('truetype');
+}
+
+@font-face {
+  font-family: 'UnboundedSans';
+  src: url(../fonts/UnboundedSans.ttf) format('truetype');
+}
+
+@font-face {
+  font-family: 'wt064';
+  src: url(../fonts/wt064.ttf) format('truetype');
+}
+
+@font-face {
+  font-family: 'XiaolaiSC-Regular';
+  src: url(../fonts/XiaolaiSC-Regular.ttf) format('truetype');
+}
+
+/*优设标题黑*/
+@font-face {
+  font-family: 'chinese1';
+  src: url(../fonts/chinese1.ttf) format('truetype');
+}
+
+/*站酷仓耳渔阳体*/
+@font-face {
+  font-family: 'chinese2';
+  src: url(../fonts/chinese2.ttf) format('truetype');
+}