diff --git a/theme/boost/scss/moodle/core.scss b/theme/boost/scss/moodle/core.scss
index 2439e4b2dcb..530d20e7eef 100644
--- a/theme/boost/scss/moodle/core.scss
+++ b/theme/boost/scss/moodle/core.scss
@@ -2135,3 +2135,8 @@ div.editor_atto_toolbar button .icon {
     }
 }
 
+@each $size, $length in $spacers {
+    .line-height-#{$size} {
+        line-height: $length !important; /* stylelint-disable-line declaration-no-important */
+    }
+}
\ No newline at end of file
diff --git a/theme/boost/style/moodle.css b/theme/boost/style/moodle.css
index 339920763a8..ddf13abd58c 100644
--- a/theme/boost/style/moodle.css
+++ b/theme/boost/style/moodle.css
@@ -10438,6 +10438,30 @@ div.editor_atto_toolbar button .icon {
   100% {
     background-color: #f8f9fa; } }
 
+.line-height-0 {
+  line-height: 0 !important;
+  /* stylelint-disable-line declaration-no-important */ }
+
+.line-height-1 {
+  line-height: 0.25rem !important;
+  /* stylelint-disable-line declaration-no-important */ }
+
+.line-height-2 {
+  line-height: 0.5rem !important;
+  /* stylelint-disable-line declaration-no-important */ }
+
+.line-height-3 {
+  line-height: 1rem !important;
+  /* stylelint-disable-line declaration-no-important */ }
+
+.line-height-4 {
+  line-height: 1.5rem !important;
+  /* stylelint-disable-line declaration-no-important */ }
+
+.line-height-5 {
+  line-height: 3rem !important;
+  /* stylelint-disable-line declaration-no-important */ }
+
 .icon {
   font-size: 16px;
   width: 16px;