body {
font-family: Arial, sans-serif;
margin: 0;
padding: 0;
}
header {
background-color: #007bff;
color: #fff;
text-align: center;
padding: 10px;
}
main {
padding: 20px;
text-align: center;
}
button {
padding: 10px 20px;
background-color: #007bff;
color: #fff;
border: none;
border-radius: 5px;
cursor: pointer;
}
footer {
background-color: #007bff;
color: #fff;
text-align: center;
padding: 10px;
position: fixed;
bottom: 0;
width: 100%;
}