.cd-container {
  width:95%;  
  margin: 0 auto;
}
.cd-container::after {
  /* clearfix */
  content: '';
  display: table;
  clear: both;
}

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

Main components 

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

.cd-top {
  display: inline-block;
  height: 40px;
  width: 40px;
  position: fixed;
  bottom:10px;
  right: 5px;
  border-radius:50%;
  box-shadow: 0 0 8px 0px #222;
  /* image replacement properties */
  overflow: hidden;
  text-indent: 100%;
  white-space: nowrap; 
  background:#305699 url(../images/cd-top-arrow.png) no-repeat center 50%;
  visibility: hidden;
  opacity: 0;
  z-index:5;
  -webkit-transition: opacity .3s 0s, visibility 0s .3s;
  -moz-transition: opacity .3s 0s, visibility 0s .3s;
  transition: opacity .3s 0s, visibility 0s .3s;

}
.cd-top.cd-is-visible, .cd-top.cd-fade-out, .no-touch .cd-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;
}
.cd-top.cd-is-visible {
  /* the button becomes visible */
  visibility: visible;
  opacity: 1;
}
.cd-top.cd-fade-out {
  /* if the user keeps scrolling down, the button is out of focus and becomes less visible */
 
}
.cd-top:hover {
  background-color: #171c5c;
  opacity: 1;
  box-shadow: 0 0 8px 2px #fff;
  transition:0.4s;
}