an-tipbox   { display: flex; 
              border: 2px solid black;
              padding: 8px;
              width: 500px;
              color: black;
              background: #FFFF40;
            }
an-tipicon  { flex: 0 0 40px; }
an-tipmsg   { flex: 1 1 auto; }

/* Prevent tip-box going beyond edge. */
@media all and (max-width: 640px) {
  an-tipbox { width: auto; }
}