body{
    font-family:Arial;
    background:#f2f2f2;
}

.login{
    width:320px;
    margin:80px auto;
    background:white;
    padding:25px;
    border-radius:10px;
    box-shadow:0 0 10px rgba(0,0,0,.2);
}

input{
    width:100%;
    padding:10px;
    margin:8px 0;
}

button{
    width:100%;
    padding:10px;
    background:#007bff;
    color:white;
    border:none;
    cursor:pointer;
}

header{
    background:#007bff;
    color:white;
    padding:20px;
}

section{
    margin:30px;
}