body {
    font-family: Arial, sans-serif;
    background-color: #ffe6f0;
    margin: 0;
}

.outer-box {
    border: 2px solid black;
    width: 600px;
    padding: 40px;
    margin: 50px auto;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

.container {
    border: 2px solid black;
    padding: 30px;
    background-color: #fff;
    text-align: center;
}

h1 {
    font-size: 1.8em;
    margin-bottom: 20px;
}

h2 {
    font-size: 1.3em;
    margin-bottom: 20px;
}

textarea {
    width: 520px;
    height: 300px;
    font-family: monospace;
    font-size: 1em;
    border: 1px solid #999;
    padding: 10px;
    resize: none;
    overflow-y: auto;
}

.radio-group {
    margin: 20px 0;
    text-align: left;
}

.button-group {
    margin-top: 20px;
}

input[type=submit], button {
    border: 2px solid black;
    background: white;
    padding: 10px 30px;
    font-size: 1em;
    cursor: pointer;
    margin: 0 10px;
}