update avatar style

src/views/post/post.module.css

@@ -505,15 +505,18 @@
 }
 
 .authorAvatar {
-  width: 22px;
-  height: 22px;
-  background-size: 100%;
-  background-position: center;
-  background-repeat: no-repeat;
+  width: 24px;
   display: inline-block;
-  vertical-align: top;
+  position: relative;
+  padding-right: 2px;
 }
 
+.authorAvatar img {
+  width: 24px;
+  max-height: 24px;
+  position: absolute;
+  bottom: -5px;
+}
 
 .stateString {
   white-space: nowrap;
@@ -540,7 +543,13 @@
   }
 
   .authorAvatar {
-    vertical-align: middle;
+    width: 20px;
+  }
+
+  .authorAvatar img {
+    width: 20px;
+    max-height: 20px;
+    bottom: -3px;
   }
 }