#myCarousel .carousel-caption h1 {
  font-weight: 300;
}
#myCarousel .carousel-caption p {
  margin-bottom: 1.25rem;
  font-size: 1.25rem;
  line-height: 1.4;
}
@media (max-width: 577px) {
  #nav_menu .navbar-brand img {
    padding: 0;
    margin: 0;
    max-height: 50px;
  }
  #nav_menu .navbar_nav a {
    font-size: 12px;
  }
  #myCarousel .carousel-item {
    height: 24rem;
  }
  #myCarousel .carousel-caption  h1 {
    font-size: 1.5rem;
  }
  #myCarousel .carousel-caption {
    bottom: 6rem;
    z-index: 10;
  }
  #sidebar .list-group .list-group-item {
    padding: .3rem .4rem;
    border: 0px;
    font-size: 12px;
  }
}
/*Small devices (landscape phones, 576px and up)*/
@media (min-width: 576px) { 
  #nav_menu .navbar-brand img {
    padding: 0;
    margin: 0;
    max-height: 70px;
  }

  #myCarousel .carousel-caption  h1 {
    font-size: 1.6rem;
  }
  #myCarousel .carousel-caption {
    bottom: 8rem;
    z-index: 10;
  }
}

/* Medium devices (tablets, 768px and up)*/
@media (min-width: 768px) { 
  #nav_menu .navbar-brand img {
    padding: 0;
    margin: 0;
    max-height: 80px;
  }
  #myCarousel .carousel-caption {
    bottom: 10rem;
    z-index: 10;
  }
  #myCarousel .carousel-caption  h1 {
    font-size: 1.7rem;
  }
}

/* Large devices (desktops, 992px and up) */
@media (min-width: 992px) {
  #nav_menu .navbar-brand img {
    padding: 0;
    margin: 0;
    max-height: 90px;
  }
  #myCarousel .carousel-caption {
    bottom: 10rem;
    z-index: 10;
  }
  #myCarousel .carousel-caption  h1 {
    font-size: 2rem;
  }
}

/* X-Large devices (large desktops, 1200px and up) */
@media (min-width: 1200px) {
  #nav_menu .navbar-brand img {
    padding: 0;
    margin: 0;
    max-height: 100px;
  }
  #myCarousel .carousel-caption {
    bottom: 12rem;
    z-index: 10;
  }
  #myCarousel .carousel-caption  h1 {
    font-size: 2.1rem;
  }
}

/* XX-Large devices (larger desktops, 1400px and up) */
@media (min-width: 1400px) { 
  #nav_menu .navbar-brand img {
    padding: 0;
    margin: 0;
    max-height: 110px;
  }
  #myCarousel .carousel-caption {
    bottom: 12rem;
    z-index: 10;
  }
  #myCarousel .carousel-caption  h1 {
    font-size: 2.5rem;
  }

}