.cd-top {
  display: inline-block;
  height: 40px;
  width: 40px;
  border-radius:50%;
  position: fixed;
  bottom: 40px;
  right: 20px;
  -webkit-box-shadow: 0 0 10px rgba(0, 0, 0, 0.05);
          box-shadow: 0 0 10px rgba(0, 0, 0, 0.05);
  /* image replacement properties */
  overflow: hidden;
  text-indent: 100%;
  white-space: nowrap;
  background: rgba(0,102,204,1) /*#00769E;*/ url(../images/arrowup.png) no-repeat center 50%;
  visibility: hidden;
  opacity: 0;
  -webkit-transition: opacity .3s 0s, visibility 0s .3s, background-color .3s 0s;
  transition: opacity .3s 0s, visibility 0s .3s, background-color .3s 0s;
}

.cd-top.cd-top--show,
.cd-top.cd-top--fade-out,
.cd-top:hover {
  -webkit-transition: opacity .3s 0s, visibility 0s 0s, background-color .3s 0s;
  transition: opacity .3s 0s, visibility 0s 0s, background-color .3s 0s;
}

.cd-top.cd-top--show {
  /* the button becomes visible */
  visibility: visible;
  opacity: 1;
}

.cd-top.cd-top--fade-out {
  /* if the user keeps scrolling down, the button is out of focus and becomes less visible */
  opacity: .5;
}

.cd-top:hover {
  background-color: rgba(0,51,102,1);
  opacity: 1;
}


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

.wapp {
  display: inline-block;
  height: 40px;
  width: 40px;
  border-radius:50%;
  position: fixed;
  bottom: 40px;
  left: 20px;
  -webkit-box-shadow: 0 0 10px rgba(0, 0, 0, 0.05);
          box-shadow: 0 0 10px rgba(0, 0, 0, 0.05);
  /* image replacement properties */
  overflow: hidden;
  text-indent: 100%;
  white-space: nowrap;
  background: rgba(255, 255, 255, 0.8) url(../images/wapp.png) no-repeat center 50%;
  visibility: hidden;
  opacity: 0;
  -webkit-transition: opacity .3s 0s, visibility 0s .3s, background-color .3s 0s;
  transition: opacity .3s 0s, visibility 0s .3s, background-color .3s 0s;
}

.wapp.wapp--show,
.wapp.wapp--fade-out,
.wapp:hover {
  -webkit-transition: opacity .3s 0s, visibility 0s 0s, background-color .3s 0s;
  transition: opacity .3s 0s, visibility 0s 0s, background-color .3s 0s;
  background: rgba(255, 255, 255, 1) url(../images/wapp.png) no-repeat center 50%;
  opacity: 1;
}

.wapp.wapp--show {
  /* the button becomes visible */
  visibility: visible;
  opacity: 1;
}

.wapp.wapp--fade-out {
  /* if the user keeps scrolling down, the button is out of focus and becomes less visible */
  opacity: .5;
}

.wapp:hover {
  background-color: #FFF;
  opacity: 1;
}

@media only screen and (min-width: 768px) {
  .cd-top {
    right: 30px;
    bottom: 90px;
  }
  
  .wapp {
    left: 30px;
    bottom: 90px;
  }
}

@media only screen and (min-width: 1024px) {
  .cd-top {
    height: 60px;
    width: 60px;
    right: 4px;
    bottom: 100px;
  }
  
  .wapp {
    left: 22px;
    bottom: 110px;
  }
}