body{
    background: #136a8a;  /* fallback for old browsers */
    background: -webkit-linear-gradient(to right, #267871, #136a8a);  /* Chrome 10-25, Safari 5.1-6 */
    background: linear-gradient(to right, #267871, #136a8a); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
}

h1{
    text-align: center;
    color: white;
    padding-top: 1%;
    font-family: fantasy;
}
p{
    text-align: justify;
    margin: 20px;
}

.divPrincipal{
    padding-bottom: 2%;
    padding: 1%;
    width: 98%;
    margin-bottom: 1%;
    background:#509ea8;
    border-radius: 5px;
}





article div {
    width :96%;
    margin-left: 1%;
    background: #EEEEEE;
    padding-left: 2%;
    padding-top: 2%;
    border-radius: 6px;
}

article div h1{
    font-size: 20px;
    margin-top: 1px;
    margin-bottom: 8px;
    font-family: sans-serif;
    color: royalblue;

}

footer{
    background : #EEEEEE;
    border-radius: 5px;
    padding : 2px;
    display : flex;
}

.footer-p{
    color : black;
    font-weight: bolder;
    font-size: 20px;
    width : 50%;
    font-style: oblique;
    text-align: center
}