@import url('https://fonts.googleapis.com/css2?family=Noto+Sans&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans', sans-serif;
    height: 100vh;
    display: flex;
}

.code-area {
    display: flex;
    flex-direction: column;
    width: 50%;
    border-right: 1px solid black;
}

.code-area textarea {
    resize: none;
    outline: none;
    width: 100%;
    height: 33.33%;
    font-size: 18px;
    padding: 10px;
}

.preview-area {
    width: 50%;
}

.preview-area iframe {
    width: 100%;
    height: 100%;
    border: none;
}