body {
    font-family: Arial, sans-serif;
    font-size: medium;
    font-style: bold;
    text-align: center;
    padding: 20px;

    background: url('background.jpg') no-repeat center center fixed;
    background-size: cover;
    color: black; 
}

header h1{
    color: #333;
}
header p{
    color: #555;
    margin: 20px 0;
}
input,button{
    padding: 10px;
    margin: 5px;
    border-radius: 5px;
    border: 2px solid black;
}
img {
    width: 200px;
    border-radius: 10px;
    margin: 10px 0;
    display: block;
    margin-left: auto;
    margin-right: auto; 
}

button:hover{
    background-color: #555;
}