body {
    background-color: lightblue ;
    color: black;
}

.cont {
    text-align: center;
    margin: 1%;
}

.ogl {
    text-align: center;
    color: lightgray;
    margin: 2%;
}

a {
    color: lightgray;
}

a:hover {
    color: lightgreen;
}

.download {
    color: red;
}