.slider {
  text-align: center;
  max-width: 100%;
}
.slider img {

  height: 100%;
}
.slide_viewer {
  overflow: hidden;
  position: relative;
  }
.slide_group {
  height: 100%;
  position: relative;
  width: 100%;
 }
.slide {
  display: none;
  height: 100%;
  position: absolute;
  width: 100%;
}
.slide:first-child {
  display: block;
}
.slide_buttons {
  left: 0;

  right: 0;
  text-align: center;
}
a.slide_btn {
  color: #000000;
  font-size: 42px;
  margin: 0 0.175em;
  text-decoration: none;
  -webkit-transition:   all 0.4s ease-in-out;
  -moz-transition:      all 0.4s ease-in-out;
  -ms-transition:       all 0.4s ease-in-out;
  -o-transition:        all 0.4s ease-in-out;
  transition:           all 0.4s ease-in-out;
}
.slide_btn.active, .slide_btn:hover {
  color: #428CC6;
  cursor: pointer;
}
@media only screen and (max-width: 600px) {
  a.slide_btn {
    font-size: 20px;
    margin: 0 0.175em;
  }
}