body{
    margin:0;
    padding:0;
    font-family:Arial, Helvetica, sans-serif;
    background:#f4f6f9;
}

.container{
    width:80%;
    margin:40px auto;
    text-align:center;
}

h1{
    color:#222;
}

.subtitle{
    color:#666;
    margin-bottom:30px;
}

.card{
    background:white;
    padding:25px;
    border-radius:10px;
    box-shadow:0 0 10px rgba(0,0,0,.1);
}

.card ul{
    text-align:left;
    width:250px;
    margin:20px auto;
}

.buttons{
    margin-top:30px;
}

.btn{
    display:inline-block;
    padding:12px 22px;
    margin:10px;
    background:#2563eb;
    color:white;
    text-decoration:none;
    border-radius:8px;
}

.btn:hover{
    background:#1d4ed8;
}

.secondary{
    background:#10b981;
}

.secondary:hover{
    background:#059669;
}

.note{
    margin-top:40px;
    background:white;
    padding:20px;
    border-radius:10px;
}