/********** Top Nav ************/
.top_nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 15em;
    background-color: var(--primary);
    color: var(--white);
    font-weight: bold;
    transform: translate3d(-15em, 0, 0);
    transition: transform 0.35s;
    -webkit-transition: all 350ms ease-out;
    -webkit-transform: translateX(-15em);
    -ms-transform: translateX(-15em);
    -moz-transform: translateX(-15em);
    -o-transform: translateX(-15em);
    z-index: 25;
  }
  
  .top_nav a {
    color: var(--white);
    text-decoration: none;
  }
  
  .top_nav ul {
    margin: 30px 0;
  }
  
  .top_nav li {
    margin-top: 15px;
    margin-left: 15px;
    list-style: none;
  }
  
  #checkbox_menu {
    display: none;
  }
  
  #menu_icon {
    position: absolute;
    top: 0;
    right: -50px;
    display: block;
    background-color: var(--primary);
    width: 50px;
    height: 50px;
    padding: 5px;
    cursor: pointer;
    text-align: center;
  }
  
  .bar1, .bar2, .bar3 {
      width: 30px;
      height: 3px;
      background-color: var(--white);
      margin: 8px 3px;
      transition: 0.4s;
  }
  
  .change .bar1 {
      -webkit-transform: rotate(-45deg) translate(-5px, 5px);
      transform: rotate(-45deg) translate(-5px, 5px);
  }
  
  .change .bar2 {
      opacity: 0;
  }
  
  .change .bar3 {
      -webkit-transform: rotate(45deg) translate(-11px, -11px);
      transform: rotate(45deg) translate(-11px, -11px);
  }
  
  /* fade in checked menu */
  .checkbox_menu:checked + .top_nav {
    transform: translate3d(0, 0, 0);
    -webkit-transform: translateX(0);
    -ms-transform: translateX(0);
    -moz-transform: translateX(0);
    -o-transform: translateX(0);
  }
  
  
  
  @media only screen and (min-width: 620px) {
    /* Tablet:*/
    .top_nav {
      position: relative;
      top: 0;
      right: 0;
      width: 100%;
      background-color: var(--primary);
      color: var(--white);
  
      transform: translate3d(0, 0, 0);
      transition: transform 0.35s;
      -webkit-transition: all 350ms ease-out;
      -webkit-transform: translateX(0);
      -ms-transform: translateX(0);
      -moz-transform: translateX(0);
      -o-transform: translateX(0);
  
      font-size: .9em;
    }
  
    .top_nav ul {
      width: 100%;
      padding: 10px 30px 20px 30px;
      display: flex;
      justify-content: space-between;
    }
  
    .top_nav li {
      display: inline;
      text-align: justify;
      padding: 0;
    }
  
    #menu_icon {
      display: none;
    }
  }
  
  @media only screen and (min-width: 730px) {
    /* Slightly larger tablet:*/
    .top_nav {
      font-size: 1em;
    }
  }