diff --git a/app/assets/stylesheets/icons.scss b/app/assets/stylesheets/icons.scss
index b0345644b..aea716925 100644
--- a/app/assets/stylesheets/icons.scss
+++ b/app/assets/stylesheets/icons.scss
@@ -127,7 +127,6 @@
   }
 }
 
-
 // How to add a new remix icon and work with DSFR markup:
 // 1. Find it on https://remixicon.com/
 // 2. Take its DataURL (copy the url background-image value).
@@ -136,6 +135,22 @@
 // 4. Keep this list alphabetic :)
 .fr-icon {
   // scss-lint:disable VendorPrefix
+  &-align-center {
+    &:before,
+    &:after {
+      -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M3 4H21V6H3V4ZM5 19H19V21H5V19ZM3 14H21V16H3V14ZM5 9H19V11H5V9Z' fill='currentColor'%3E%3C/path%3E%3C/svg%3E");
+      mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M3 4H21V6H3V4ZM5 19H19V21H5V19ZM3 14H21V16H3V14ZM5 9H19V11H5V9Z' fill='currentColor'%3E%3C/path%3E%3C/svg%3E");
+    }
+  }
+
+  &-align-right {
+    &:before,
+    &:after {
+      -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M3 4H21V6H3V4ZM7 19H21V21H7V19ZM3 14H21V16H3V14ZM7 9H21V11H7V9Z' fill='currentColor'%3E%3C/path%3E%3C/svg%3E");
+      mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M3 4H21V6H3V4ZM7 19H21V21H7V19ZM3 14H21V16H3V14ZM7 9H21V11H7V9Z' fill='currentColor'%3E%3C/path%3E%3C/svg%3E");
+    }
+  }
+
   &-calendar-close-fill {
     &:before,
     &:after {
@@ -167,5 +182,13 @@
       mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12.917 13C12.441 15.8377 9.973 18 7 18C3.68629 18 1 15.3137 1 12C1 8.68629 3.68629 6 7 6C9.973 6 12.441 8.16229 12.917 11H23V13H21V17H19V13H17V17H15V13H12.917ZM7 16C9.20914 16 11 14.2091 11 12C11 9.79086 9.20914 8 7 8C4.79086 8 3 9.79086 3 12C3 14.2091 4.79086 16 7 16Z' fill='currentColor'%3E%3C/path%3E%3C/svg%3E");
     }
   }
+
+  &-underline {
+    &:before,
+    &:after {
+      -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M8 3V12C8 14.2091 9.79086 16 12 16C14.2091 16 16 14.2091 16 12V3H18V12C18 15.3137 15.3137 18 12 18C8.68629 18 6 15.3137 6 12V3H8ZM4 20H20V22H4V20Z' fill='currentColor'%3E%3C/path%3E%3C/svg%3E");
+      mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M8 3V12C8 14.2091 9.79086 16 12 16C14.2091 16 16 14.2091 16 12V3H18V12C18 15.3137 15.3137 18 12 18C8.68629 18 6 15.3137 6 12V3H8ZM4 20H20V22H4V20Z' fill='currentColor'%3E%3C/path%3E%3C/svg%3E");
+    }
+  }
   // scss-lint:enable VendorPrefix
 }