/* Main menu links */
.main-sidebar .nav-sidebar > .nav-item > .nav-link {
    font-size: 16px;             /* Change font size */
    color: #ffffff !important;   /* Change text color */
}

/* Sub menu links */
.main-sidebar .nav-sidebar .nav-treeview > .nav-item > .nav-link {
    font-size: 14px;             /* Change font size */
    color: #2d71ef !important;   /* Change text color */
}