body {
background: #141E30;  /* fallback for old browsers */
background: -webkit-linear-gradient(to right, #243B55, #141E30);  /* Chrome 10-25, Safari 5.1-6 */
background: linear-gradient(to right, #243B55, #141E30); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */

}

.separator {
  margin: 3rem 0;
  border-bottom: 1px dashed #fff;
}

.text-uppercase {
  letter-spacing: 0.1em;
}

.text-gray {
  color: #aaa;
}

.vertical-nav {
  min-width: 17rem;
  width: 17rem;
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  box-shadow: 3px 3px 10px rgba(0, 0, 0, 0.1);
  transition: all 0.4s;
}

.page-content {
  width: calc(100% - 17rem);
  margin-left: 17rem;
  transition: all 0.4s;
}

/* for toggle behavior */

#sidebar.active {
  margin-left: -17rem;
}

#content.active {
  width: 100%;
  margin: 0;
}

@media (max-width: 768px) {
  #sidebar {
    margin-left: -17rem;
  }
  #sidebar.active {
    margin-left: 0;
  }
  #content {
    width: 100%;
    margin: 0;
  }
  #content.active {
    margin-left: 17rem;
    width: calc(100% - 17rem);
  }
}