  @font-face {
                font-family: "JetBrainsMono-ExtraBold";
                src: url("https://cdn.jsdelivr.net/gh/JetBrains/JetBrainsMono/web/woff/JetBrainsMono-ExtraBold.woff") format("woff");
            }
            canvas {
                border: 1px solid black;
            }
            .mykbd {
                display: inline-block;
                padding: 0.2rem 0.4rem;
                font-size: 87.5%; 
                font-weight: 700; 
                line-height: 1; 
              