feat: 更新评论框样式

lib/components/CommentList/index.css

   background-color: #f8f8f8;
   cursor: pointer;
   padding: 10px;
-  margin: 40px auto;
+  margin: 40px auto 80px auto;
   transition: all 0.3s;
 }
 

src/App.css

   width: 100%;
   padding: 10px;
   margin-bottom: 100px;
-  background: rgba(0, 0, 0, 0.59);
+  background: rgba(0, 0, 0, 1);
   color: white;
 }
 
 .comment-img {
   max-width: 100%;
 }
+.app-comment {
+  position: fixed;
+  bottom: 0;
+  width: 100%;
+  margin: 0;
+  padding: 0;
+  right: 0;
+  left: 0;
+}

src/App.js

               </div>
             )}
             {this.props.showEditor && (
-              <CommentInput content={this.props.children} />
+              <div className="app-comment">
+                <CommentInput content={this.props.children} />
+              </div>
             )}
           </div>
         </CommentContext.Provider>

src/components/CommentBox/index.css

 .comment-show-more {
-  color: #4a90e2;
+  color: #d5d5d5;
   text-align: center;
   width: 100px;
   /* background-color: #f8f8f8; */

src/components/CommentBox/index.js

         <div
           style={{
             marginLeft: 50,
-            borderTop: "1px solid #e3e3e3",
+            borderTop: "1px solid #929292",
             paddingTop: 15,
             marginTop: 10,
             overflow: "auto"
                     </span>
                   )}
                   <a
-                    style={{ float: "right" }}
+                    style={{ float: "right", color: "#d5d5d5" }}
                     onClick={this.handleToggleReply}
                   >
                     <Icon type="up" /> 收起

src/components/CommentList/index.css

   background-color: #f8f8f8;
   cursor: pointer;
   padding: 10px;
-  margin: 40px auto;
+  margin: 40px auto 80px auto;
   transition: all 0.3s;
 }
 

src/components/ContentItem/index.css

 .comment-item-box {
   margin: 10px 0 0 0;
   padding: 15px 5px 0 5px;
-  border-top: 1px solid #d5d5d5;
+  border-top: 1px solid #929292;
 }
 
 .comment-item-left {
 .comment-item-bottom-left {
   float: left;
   user-select: none;
+  color: #d5d5d5;
 }
 
 .comment-item-bottom-right {