fix: image float breaks quotes and prompts (#1449)

Fixes #1441

Author: cotes2020

_sass/addon/commons.scss

@@ -85,6 +85,7 @@ blockquote {
   border-left: 5px solid var(--blockquote-border-color);
   padding-left: 1rem;
   color: var(--blockquote-text-color);
+  display: flex;
 
   &[class^='prompt-'] {
     border-left: 0;
@@ -641,12 +642,12 @@ main {
 
 .left {
   float: left;
-  margin: 0.75rem 1rem 1rem 0 !important;
+  margin: 0.75rem 1rem 1rem 0;
 }
 
 .right {
   float: right;
-  margin: 0.75rem 0 1rem 1rem !important;
+  margin: 0.75rem 0 1rem 1rem;
 }
 
 /* --- Overriding --- */