body {
    background-color: #FFFFFF;
    font-family: sans-serif;
    margin: 0;
    padding: 0;
}
.container {
    max-width: 400px;
    margin: auto;
    padding: 40px 20px;
}
input, button, textarea {
    width: 100%;
    padding: 12px;
    margin: 8px 0;
    box-sizing: border-box;
    border: 1px solid #ccc;
    border-radius: 8px;
}
button {
    background-color: #5A8FBB;
    color: white;
    border: none;
    cursor: pointer;
}
button:hover {
    background-color: #4a7ca1;
}