redesign send bar

frontend/src/Apps/Msg.vue

@@ -143,6 +143,7 @@ div#discussion{
 	margin: 30px;
 	background-color: rgba(255, 255, 255, 0.05);
 	border-radius: 10px;
+	overflow: hidden;
 }
 
 #msgName{
@@ -181,21 +182,19 @@ div#discussion{
 }
 
 #messageBox{
+	width: 100%;
+	height: 30px;
+	background-color: white;
 	display: flex;
-	margin: 10px;
-	border-radius: 5px;
 }
 
 #messageBox input[type="text"]{
-	align-self: end;
-	flex-grow: 1;
+	all: inherit;
+	padding: 0 10px;
 }
 
 #messageBox input[type="submit"]{
-	position: absolute;
-	right: 50px;
-	margin: 2px;
-	border: none;
+	border: inherit;
 	padding: 0 10px;
 }