https://github.com/b3log/solo/issues/12720 Bruce

Bruce/css/_bootstrap.scss

@@ -2365,7 +2365,7 @@ output {
   display: block;
   width: 100%;
   height: 34px;
-  padding: 6px 12px;
+  padding: 6px 8px;
   font-size: 14px;
   line-height: 1.42857143;
   color: #555;
@@ -3943,6 +3943,9 @@ select[multiple].input-group-sm > .input-group-btn > .btn {
   line-height: 20px;
 }
 @media (max-width: 767px) {
+  .comment > img {
+    display: none !important;
+  }
   .navbar-nav .open .dropdown-menu {
     position: static;
     float: none;

Bruce/css/base.scss

@@ -21,11 +21,47 @@
  *
  * @author <a href="http://88250.b3log.org">Liang Ding</a>
  * @author <a href="http://vanessa.b3log.org">Liyuan Li</a>
- * @version 2.0.0.1, Mar 16, 2019
+ * @version 2.1.0.0, Mar 21, 2019
  */
-
+@import "bootstrap";
+@import "../../../scss/usite";
+@import "../../../scss/toc";
+@import "../../../scss/function";
 @import "vditor/src/assets/scss/classic";
 
+.article__toc {
+    position: fixed;
+    top: 90px;
+    bottom: 198px;
+    padding-left: 0;
+    left: 100%;
+}
+#comments {
+    position: relative;
+}
+.comment-body-ref {
+    position: absolute;
+    background-color: #fff;
+    width: 100%;
+    left: 64px;
+    border: 1px solid #ccc;
+    box-shadow: inset 0 1px 1px rgba(0,0,0,0.075);
+    border-radius: 5px;
+    padding: 10px 0;
+}
+
+.user__site {
+    display: inline-block;
+    height: 20px;
+    width: 20px;
+    margin: 0 5px 15px 0;
+    svg {
+        height: 20px;
+        width: 20px;
+        fill: currentColor;
+    }
+}
+
 body, button, input, select, textarea { 
     font: 400 1em/1.8 Avenir,Microsoft Yahei,Hiragino Sans GB,Microsoft Sans Serif,WenQuanYi Micro Hei,sans-serif;
     letter-spacing: 0.01rem;
@@ -61,19 +97,6 @@ h4, h5, h6 {
     margin-bottom: 12px;
 }
 
-.article-content {
-    font-size: 1.1em;
-}
-
-.article-content .task-list-item {
-    list-style: none;
-    margin-left: -1em;
-}
-
-.article-content img {
-    max-width: 100%;
-}
-
 .header {
     border-bottom: 1px solid #ddd;
     background-color: #f9f9f9;