fix: the icon position of the prompts in the list is incorrect

Author: cotes2020

_sass/addon/commons.scss

@@ -132,16 +132,17 @@ blockquote {
 
   &[class^="prompt-"] {
     border-left: 0;
+    position: relative;
     padding: 1rem 1rem 1rem 3rem;
     color: var(--prompt-text-color);
 
     @extend %rounded;
 
     &::before {
       text-align: center;
-      width: 1.25rem;
+      width: 3rem;
       position: absolute;
-      left: 2.5rem;
+      left: 0.25rem;
       margin-top: 0.4rem;
       text-rendering: auto;
       -webkit-font-smoothing: antialiased;