Change from grid to flexbox for monogram

style.css

@@ -31,14 +31,15 @@ body {
 }
 
 .monogram {
-  display: grid;
-  grid-template-columns: 50% 50%;
+  display: flex;
 }
 
 .triangle {
   display: block; /* Because these are <a> tags */
   background-color: black;
   position: relative; /* Required for the absolute positioning of the triangle-label */
+  width: 20vh;
+  height: 20vh;
 }
 
 .triangle-bottom {