body {
    font-family: Arial, sans-serif;
    background-image: url('backgrounds.png');
    background-size: cover;
    background-attachment: fixed;
    background-repeat: no-repeat;
    background-position: center center;
    margin: 0;
    padding: 0;
}

.header {
    text-align: center;
    padding: 20px;
    position: relative;
}

.logo {
    height: 50px;
    margin: 0 auto;
    display: block;
}

.main-content {
    padding: 20px;
    background-color: #ffffff;
    border: 1px solid #ccc;
    border-radius: 4px;
    margin: 20px auto;
    width: 60%;
    text-align: center;
}

.upload-button, .copy-button {
    background-color: #00b300;
    color: white;
    padding: 14px 20px;
    border: none;
    cursor: pointer;
}

.upload-button:hover,
.copy-button:hover {
    background-color: #008000;
}