https://github.com/b3log/solo/issues/12658

tree-house/css/base.scss

@@ -20,8 +20,30 @@
  * skin tree-house style
  *
  * @author <a href="http://vanessa.b3log.org">Liyuan Li</a>
- * @version 1.2.0.0, Jun 4, 2018
-*/
+ * @version 2.0.0.0, Feb 21, 2019
+ */
+
+@import "../../../scss/reset-content";
+.left {
+    float: left;
+}
+
+.right {
+    float: right;
+}
+
+.clear:before,
+.clear:after {
+    display: table;
+    content: "";
+}
+
+.clear:after {
+    clear: both;
+}
+.none {
+    display: none;
+}
 html {
     min-width: 948px;
 }
@@ -202,11 +224,10 @@ img {
     margin-top: 7px;
     padding-right: 10px;
 }
-.article-body {
-    line-height: 145%;
+.content-reset {
     margin: 0 12px 12px;
 }
-.article-body a, .article-abstract a {
+.content-reset a, .article-abstract a {
     color: #242323;
     text-decoration: underline;
 }
@@ -278,12 +299,6 @@ img {
     top: 16px;
     z-index: 16;
 }
-#emotions img, #emotionsReply img {
-    cursor: pointer;
-    display: block;
-    float: left;
-    margin-right: 2px;
-}
 img.comment-picture {
     height: 60px;
     padding: 0px 6px 4px 0;