.alogo {
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: 50%;
}
.vpara {
    text-align: center;
}

/* unvisited link */
a:link {
    color: blue;
}

/* visited link */
a:visited {
    color: darkseagreen;
}

/* mouse over link */
a:hover {
    color: red;
}

/* selected link */
a:active {
    color: white;
}