.qx-navbar-nav>li>a{
  font-family: '#';
  text-transform: none;
  position: relative;
} 
            

.qx-navbar-nav>li>a::after {
  content: '';
  position: absolute;
  width: 100%;
  transform: scaleX(0);
  height: 2px;
  bottom: 0;
  left: 0;
  background-color: black; 
  transform-origin: bottom right;
  transition: transform 0.25s ease;
}

.qx-navbar-nav>li>a:hover::after,
.qx-navbar-nav>li.qx-active>a::after {
  transform: scaleX(1);
  transform-origin: bottom left;
}

strong, b {
  font-weight: 800;
}