body {
font-family: Arial;
margin:0;
text-align:center;
}

header {
background:#0f2742;
color:white;
padding:20px;
display:flex;
justify-content:space-between;
align-items:center;
}

.btn {
background:#c62828;
color:white;
padding:10px 20px;
text-decoration:none;
border-radius:5px;
}

.hero {
padding:40px;
}

.logo {
max-width:300px;
}