/* --------------------------------

Modules - reusable parts of our design

-------------------------------- */
.back-container {
  width: 90%;
  max-width: 768px;
  margin: 2em auto;
}
.back-container::after {
  /* clearfix */
  content: '';
  display: table;
  clear: both;
}

/* --------------------------------

Main components

-------------------------------- */
.back-top {
  display: inline-block;
  height: 40px;
  width: 40px;
  position: fixed;
  bottom: 140px;
  /*right: 80px;*/
  right: 10px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.05);
  /* image replacement properties */
  overflow: hidden;
  text-indent: 100%;
  white-space: nowrap;
  background: rgba(54, 169, 224, 0.8) url(back-arrow.png) no-repeat center 50%;
  visibility: hidden;
  opacity: 0;
  -webkit-transition: opacity .3s 0s, visibility 0s .3s;
  -moz-transition: opacity .3s 0s, visibility 0s .3s;
  transition: opacity .3s 0s, visibility 0s .3s;
}

#go-back {
    -webkit-transition: all 0.4s ease;
    -moz-transition: all 0.4s ease;
    -o-transition: all 0.4s ease;
    transition: all 0.4s ease;
}

.back-y-top {
    right: 80px;
}

.back-top.back-is-visible, .back-top.back-fade-out, .no-touch .back-top:hover {
  -webkit-transition: opacity .3s 0s, visibility 0s 0s;
  -moz-transition: opacity .3s 0s, visibility 0s 0s;
  transition: opacity .3s 0s, visibility 0s 0s;
}
.back-top.back-is-visible {
  /* the button becomes visible */
  visibility: visible;
  opacity: 1;
}
.back-top.back-fade-out {
  /* if the user keeps scrolling down, the button is out of focus and becomes less visible */
  opacity: .5;
}
.no-touch .back-top:hover {
  background-color: #36a9e0;
  opacity: 1;
}
@media only screen and (min-width: 768px) {
  .back-top {
    right: 20px;
    bottom: 130px;
  }

  .back-y-top {
    right: 90px;
    }
}
@media only screen and (min-width: 1024px) {
  .back-top {
    height: 60px;
    width: 60px;
    right: 30px;
    bottom: 140px;
  }

  .back-y-top {
    right: 100px;
    }
}