body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 20px;
}

h1 {
    text-align: center;
    margin-bottom: 30px;
}

section {
    background-color: white;
    padding: 40px;
    margin: 35px auto;
    border-radius: 10px;
    max-width: 1000px;
}

p {
    line-height: 1.5;
}

img {
    display: block;
    margin: 10px auto;
    height: auto;
}

.step1-image {
    width: 650px;
}

.step2-image {
    width: 700px;
}

.step3-image {
    width: 690px;
}

.step4-image {
    width: 750px;
}

.step5-image {
    width: 850px;
}

.container {
    max-width: 700px;
    margin: 30px auto;
}

.container iframe {
    width: 100%;
    height: 400px;
}