body{

font-family:Arial,sans-serif;

margin:0;

background:#f5f5f5;

color:#222;

}

header{

background:#0a2342;

color:white;

padding:80px;

text-align:center;

}

.button{

display:inline-block;

padding:15px 30px;

margin-top:25px;

background:#ffffff;

color:#0a2342;

text-decoration:none;

border-radius:6px;

font-weight:bold;

}

section{

max-width:900px;

margin:auto;

padding:40px;

}

.card{

background:white;

padding:20px;

margin:20px 0;

border-radius:10px;

box-shadow:0 0 15px rgba(0,0,0,.1);

}

footer{

padding:30px;

text-align:center;

background:#111;

color:white;

}