body {
    max-width: 600px;
    margin: 40px auto;
    padding: 24px;
    color: #243447;
    background-color: #f4f7fb;
    font-family: sans-serif;
}

form {
    padding: 24px;
    border: 1px solid #dbe3ec;
    border-radius: 8px;
    background-color: #fff;
}

h1 {
    color: #245b8f;
}

form div {
    margin-bottom: 16px;
}

label {
    display: block;
    margin-bottom: 4px;
}

input,
textarea {
    width: 100%;
    padding: 8px;
    border: 1px solid #aebdca;
    border-radius: 4px;
    box-sizing: border-box;
}

input:focus,
textarea:focus {
    border-color: #3273b8;
    outline: 2px solid #d6e9fa;
}

textarea {
    min-height: 120px;
}

button {
    padding: 8px 24px;
    border: 0;
    border-radius: 4px;
    color: #fff;
    background-color: #3273b8;
    cursor: pointer;
}

button:hover {
    background-color: #245b8f;
}

.error {
    margin: 4px 0 0;
    color: #c00;
}