html, body {
  
  margin: 0;
 
}

.slider {
  margin: 0 auto;
  max-width: 100%;
  position: relative;
  margin-top:10px;

}

.slide_viewer {
  height: 540px;
  overflow: hidden;
  position: relative;
}

.slide_group {
  height: 100%;
  position: relative;
  width: 100%;
 

}

.slide {
  width: 100%;
  height: 100%;
  display: none;
  position: absolute;
  

  
}

.slide:first-child {
  display: block;
}

.slide:nth-of-type(1) {
  background: url("../images/bg4.jpg") no-repeat 0px 0px;;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  -ms-background-size: cover;
   background-size: cover;
}

.slide:nth-of-type(2) {
  background: url("../images/covid-19.jpg") no-repeat 0px 0px;;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  -ms-background-size: cover;
   background-size: cover;
   
}

.slide:nth-of-type(3) {
  background: url("../images/clientes_satisfechos.jpg") no-repeat 0px 0px;;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  -ms-background-size: cover;
   background-size: cover;
   
   

}

.slide:nth-of-type(4) {
  background: url("../images/contactanos.jpg") no-repeat 0px 0px;;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  -ms-background-size: cover;
   background-size: cover;
   
}

.slide_buttons {
  left: 0;
  right: 0;
  text-align: center;
  position: absolute;
 background-color: black;
 
  
}

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;
}

.directional_nav {
  margin: 0 auto;
  max-width: 940px;
  position: relative;
  top: -340px;
  margin-top:300px;

}