.slider {
  margin: 0 auto;
  max-width:725px;
}
.slide_viewer {
  height: 401px;
  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;
  position: absolute;
  right: 30%;
  text-align: center;
}
a.slide_btn {
  color: #474544;
  font-size: 42px;
  margin: 0 0.175em;
  -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 (max-width:1024px) {
	.slide_viewer { height:328px; }
}
@media (max-width:800px) {
	.slide_viewer { height:262px; }
}
@media (max-width:768px) {
	.slide_viewer { height:255px; }
}
@media (max-width:640px) {
	.slide_viewer { height:312px; }
	.slide_buttons { right:5% }
}
@media (max-width:480px) {
	.slide_viewer { height:220px; }
	.slide_buttons { right:5% }
}
@media (max-width:360px) {
	.slide_viewer { height:154px; }
}
@media (max-width:320px){
	.slide_viewer { height:136px; }
	.slide_buttons { right:7% }
}