h2 {
    color: Chartreuse;
}

/* unvisited link */
a:link {
    color: Chartreuse;
    text-decoration: none;
}

/* visited link */
a:visited {
    color: Chartreuse;
    text-decoration: none;
}

/* mouse over or while clicking link */
a:hover,
a:active {
    color: DarkGreen;
    text-decoration: underline;
}

.flex-container {
    display: flex;
    flex-wrap: wrap;
}

.box {
    border: 1px #ffffff solid;
    margin: 8px;
    padding: 5px;
}