body {
    color: white;
    background-color: black;
    font-family: Arial, Helvetica, sans-serif;
}

.center {
text-align: center;
list-style-type: none;
color: blue;
padding: 15px;
}

ul {
    list-style-type: none;
}

.imgcenter {
    text-align: center;
}

li {
    padding: 15px;
}