diff --git a/dev/Styles/Main.less b/dev/Styles/Main.less
index f8e6c1bcb..75174c5e2 100644
--- a/dev/Styles/Main.less
+++ b/dev/Styles/Main.less
@@ -62,6 +62,7 @@ dialog {
 	border: 1px solid var(--dialog-border-clr, rgba(0,0,0,.3));
 	border-radius: var(--dialog-border-radius, 6px);
 	box-shadow: 0 5px 80px rgba(0,0,0,0.3);
+	box-sizing: border-box;
 	color: var(--dialog-clr, #333);
 	display: flex;
 	flex-direction: column;
diff --git a/dev/Styles/User/Compose.less b/dev/Styles/User/Compose.less
index 434f1620d..d6e49f398 100644
--- a/dev/Styles/User/Compose.less
+++ b/dev/Styles/User/Compose.less
@@ -150,6 +150,8 @@
 @media screen and (max-width: 999px) {
 	#V-PopupsCompose {
 		border: 0;
+		height: calc(100vh - 100px);
+		margin: 0 auto;
 		width: 100%;
 	}
 }
diff --git a/dev/Styles/User/SquireUI.less b/dev/Styles/User/SquireUI.less
index 69450373f..b0a23880a 100644
--- a/dev/Styles/User/SquireUI.less
+++ b/dev/Styles/User/SquireUI.less
@@ -163,7 +163,3 @@ Secondly, we can't rely on MUA's what to do with :empty
 	*/
 	}
 }
-
-.rl-mobile #V-PopupsCompose {
-	min-height: calc(100% - 12px);
-}