body{
font-family: Arial, sans-serif;
background:#f4f6f9;
margin:0;
color:#333;
}
header{
background:#0d6efd;
color:white;
padding:15px;
text-align:center;
}
nav a{
color:white;
margin:0 10px;
text-decoration:none;
font-weight:bold;
}
.container{
max-width:600px;
margin:30px auto;
background:white;
padding:20px;
border-radius:8px;
}
input,button{
width:100%;
padding:10px;
margin:8px 0;
}
button{
background:#0d6efd;
color:white;
border:none;
cursor:pointer;
}
footer{
text-align:center;
padding:10px;
background:#222;
color:white;
}