body{
    background-color: lightgray;
}   

blockquote,h1{
    font-family: Verdana, Geneva, Tahoma, sans-serif;
}

cite{
    font-style: italic;
    font-family: 'informal roman', 'times new roman', serif;
}

h1{
    text-transform: uppercase;
    text-align: center;
    color: grey;
    font-size: larger;
}

div.caja1, div.caja5{
    border: 3px dashed black;
    background-color: aquamarine;
    margin-left: 25%;
    margin-right: 25%;
}

div.caja2{
    border: 8px outset darkblue;
    background-color: lightblue;
    margin-left: 50%;
    color: blue;
}

div.caja3{
    border: 3px solid palevioletred;
    background-color: pink;
    margin-right: 50%;
    color: palevioletred;
}

div.caja4{
    border: 6px dotted deeppink;
    background-color: darkmagenta;
    margin-left: 50%;
    color: white;
}

p{
    text-align: center;
}