body{
font-family:Arial;
margin:0;
background:#111;
color:#fff;
}

header{
background:#000;
padding:15px;
position:sticky;
top:0;
}

.logo{
width:120px;
}

nav a{
margin:10px;
color:#fff;
text-decoration:none;
}

.hero{
text-align:center;
padding:80px 20px;
}

.btn{
padding:12px 25px;
margin:10px;
display:inline-block;
border-radius:5px;
}

.daftar{
background:red;
}

.login{
background:green;
}

footer{
text-align:center;
padding:20px;
background:#000;
}