li {
    display: inline-block;
    font-size: 1.5em;
    list-style-type: none;
    padding: 1em;
    text-transform: uppercase;
}

li span {
    display: block;
    font-size: 4.5rem;
}

.video {
    display: none;
    padding: 1rem;
}

.video span {
    font-size: 4rem;
    padding: 0 .5rem;
}

.login-box-msg, .register-box-msg {
  padding: 0px;
}

@media all and (max-width: 768px) {
   
    li {
      font-size: calc(1.125rem * var(--smaller));
    }
    
    li span {
      font-size: calc(3.375rem * var(--smaller));
    }
  }