body{
font-family: Arial, sans-serif;
margin:0;
text-align:center;
background:#fafafa;
}

.hero{
padding:140px 20px;
background:#f0f0f0;
}

section{
padding:60px 20px;
}

.card{
border:1px solid #ddd;
padding:25px;
margin:25px auto;
max-width:500px;
border-radius:10px;
background:white;
}

.btn{
padding:12px 25px;
display:inline-block;
text-decoration:none;
background:#111;
color:white;
border-radius:6px;
}

input{
padding:14px;
width:300px;
max-width:100%;
}