.align-items-center {
    width: 800px;
    margin: auto;
}

.center {
  text-align: center;
}

#help .nav-link {
    background-color: gray;
    color: white;
}

#help .active {
    background-color: #f39c12;
    color: black;
}

.help-block {
    color: red;
}

#navbar_username {
    color: rgba(34,34,34,0.7);
}