diff --git a/app/assets/stylesheets/application.scss b/app/assets/stylesheets/application.scss
index 4b659972..ce0b0924 100644
--- a/app/assets/stylesheets/application.scss
+++ b/app/assets/stylesheets/application.scss
@@ -95,6 +95,16 @@ $sizes: (
       box-shadow: 0 0 0 0.2rem $cyan;
     }
   }
+
+  @include form-validation-state("valid", $cyan, url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' width='8' height='8' viewBox='0 0 8 8'><path fill='#{$white}' d='M2.3 6.73L.6 4.53c-.4-1.04.46-1.4 1.1-.8l1.1 1.4 3.4-3.8c.6-.63 1.6-.27 1.2.7l-4 4.6c-.43.5-.8.4-1.1.1z'/></svg>"));
+
+  .custom-checkbox {
+    .custom-control-input:checked ~ .custom-control-label {
+      &::after {
+        background-image: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' width='8' height='8' viewBox='0 0 8 8'><path fill='#{$black}' d='M6.564.75l-3.59 3.612-1.538-1.55L0 4.26l2.974 2.99L8 2.193z'/></svg>");
+      }
+    }
+  }
 }
 
 // TODO: Encontrar la forma de generar esto desde los locales de Rails