body {
    margin: 0;
}
.container {
    display: flex;
    height: 100vh;
    width: 100vw;
    background-color: #1a1a1a;
    overflow: hidden;
}
.editor{
    width: 50%;
    border: none;
    padding: 2px;
    border-radius: 5px;
    background-color: #1a1a1a;
}
.preview {
    width: 50%;
    border-radius: 5px;
    background-color: white;
}
.button {
    display: block;
    margin-top: 10px;
    background-color: #4793cc;
    color: #ffffdd;
    padding: 10px 20px;
    text-align: center;
    text-decoration: none;
    font-size: 16px;
    cursor: pointer;
    border-radius: 5px;
    width: 100%;
}
iframe {
    width: 100%;
    border: none;
    height: 100%;
}
textarea {
    resize: none;
    background-color: #1a1a1a;
    color: #bbeeff;
    border: none;
    width: 100%;
    height: 100%;
    font-family: "BPG Courier s GPL&GNU", sans-serif;
}