body{
    background-image: url("fundo.jpg");
    background-repeat: no-repeat;
    background-size: 100% auto;
    background-attachment: fixed;
    font-family: Arial, sans-serif;
    padding: 30px;
    margin: 0;
}

.p3{
    color: black;
    background-color: gray;
}

.titulo3{
    background-color: gray;
    color: red;
    background-image: url("titulo3.jpg");
    background-repeat: no-repeat;
    background-position: right center;
    background-size: auto 85%;
    padding-right: 60px;
}

p{
    padding: 15px;
    border-radius: 5px;
}

h1,h2{
    padding: 15px;
    border-radius: 5px;
}