body {
    font-family: Arial, sans-serif;
    text-align: center;
    margin: 0;
    padding: 0;
    background-color:rgb(160, 20, 79);
    color: #555;
}
.header {
    margin: 0 auto;
    padding: 10px;
}
h1 {
    display: inline-block;
    text-align: center;
    margin-bottom: 10px;
    color: whitesmoke;
}
h2 {
    display: inline-block;
    text-align: center;
    margin-bottom: 10px;
    color:rgb(160, 20, 79);
}
.main {
    max-width: 480px;
    margin: 0 auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
.step {
    text-align: left;
}
.step h3 {
    padding: 5px 0 5px 12px;
    border-left: 5px solid rgb(160, 20, 79);
    color: #555;
    line-height: 1;
    letter-spacing: 1px;
}
.step dt {
    padding: 5px 15px;
    margin-bottom: 10px;
    background-color:rgb(255, 228, 224);
    font-weight: bold;
}
.step dd {
    margin-bottom: 30px;
    margin-left: 5px;
}
.note {
    box-sizing: border-box;
    margin: 0 auto;
    padding: 10px 10px;
    background: #f9f1cb;
    margin-bottom: 30px;
}
.image-style {
    width: 460px;
    height: auto;
    padding: 10px;
}
.center {
    text-align: center;
}
label {
    display: block;
    margin-bottom: 10px;
}
button {
    display: block;
    margin: 0 auto;
    padding: 10px 20px;
    background-color: #007BFF;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}
button:hover {
    background-color: #0056b3;
}
.footer {
    margin-top: 40px;
}
.footer p small {
    font-size: 10px;
}