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

Andrea/css/base.scss

@@ -19,8 +19,33 @@
  * skin andrea 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;
+}
+body, dd, div, dl, h1, h2, h3, h4, h5, h6, html, img, li, ol, p, ul {
+    padding: 0;
+    margin: 0;
+}
 body {
     background-image: url("../images/bg-grey.jpg");
     background-color: #000000;
@@ -477,7 +502,7 @@ img {
 }
 
 /* article */
-.article-body {
+.content-reset {
     border-top: 2px dashed #F1EEE9;
     margin-top: 15px;
     overflow: hidden;
@@ -485,7 +510,7 @@ img {
     line-height: 145%;
 }
 
-.article-body p:first-child:first-letter, .article-body:first-letter{
+.content-reset p:first-child:first-letter, .content-reset:first-letter{
     font-size: 48px;
     float: left;
     font-weight: bold;