body {    
        text-align: center;  
    }


h1 {
        font-family: Arial;
        font-size: 1.3rem;
        text-align: center;
    }

p   {
        font-family: Arial;
        display: block;
        width: 450px;
        margin: 1em auto;
        text-align: center;
        font-size:15px;
        color:grey;
    }