diff --git a/public/scss/global.scss b/public/scss/global.scss
index a33e74eb35..ab7d569242 100644
--- a/public/scss/global.scss
+++ b/public/scss/global.scss
@@ -22,14 +22,14 @@ html[data-dir="rtl"] {
 /*rtl:end:ignore*/
 
 [component="post/content"], [component="chat/message/body"], [component="composer"] .preview {
-	h1 { font-size: calc(1.125rem + 1vw); }
+	h1 { font-size: calc(1.15rem + 1vw); }
 	h2 { font-size: calc(1.1rem + 0.8vw); }
 	h3 { font-size: calc(1.075rem + 0.6vw); }
 	h4 { font-size: calc(1.05rem + 0.3vw); }
 	h5 { font-size: 1.125rem; }
 	h6 { font-size: 1rem; }
 	@include media-breakpoint-up(xl) {
-		h1 { font-size: 1.625rem; }
+		h1 { font-size: 1.75rem; }
 		h2 { font-size: 1.5rem; }
 		h3 { font-size: 1.375rem; }
 		h4 { font-size: 1.250rem; }