adding the feature "show five"

style.sass

@@ -14,16 +14,17 @@ body
 div 
   margin: 20px auto
   width: min(800px, 90%)
-input
+input:not([type=checkbox])
   padding: 10px 20px
   border-radius: 5px
   border: none
   width: 100%
   &:focus
     outline: none
+input[type=checkbox]
 label
   display: block
-  margin: 10px 0
+  margin: 0px 0 10px
 
 button 
   padding: 10px 20px
@@ -44,8 +45,15 @@ span
   margin: 10px -1px
   width: 50%
   text-align: center
-
-
+.show_all
+  text-align: center
+  display: flex
+  justify-content: center 
+  gap: 20px
+  label
+  input
+    width: 20px
+    height: 20px