fix(post): special characters in content could overflow

src/components/tooltip/tooltip.module.css

@@ -9,6 +9,7 @@
   white-space: pre-line;
   max-width: 400px;
   color: #fff;
+  overflow: hidden;
   text-align: center;
 }
 

src/views/post/post.module.css

@@ -160,6 +160,7 @@
 
 .postDesktop .postMessage, .replyDesktop .postMessage {
   padding: 1em 40px;
+  overflow: hidden;
 }
 
 .postDesktop .abbr {
@@ -328,6 +329,7 @@
 .postMobile .postMessage {
   padding: 10px;
   font-size: var(--post-mobile-content-font-size);
+  overflow: hidden;
   word-break: break-word;
 }