*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

body{
    background:#f5f5f5;
    font-family:Arial, Helvetica, sans-serif;
}

.container{
    width:700px;
    margin:60px auto;
    background:white;
    padding:30px;
    border-radius:10px;
    box-shadow:0 0 10px rgba(0,0,0,.2);
}

h1{
    color:#0066cc;
    margin-bottom:20px;
}

p{
    margin-bottom:10px;
    font-size:18px;
}

.caixa{
    margin-top:25px;
    padding:20px;
    background:#eef5ff;
    border-left:5px solid #0066cc;
}

hr{
    margin:20px 0;
}