#slider {
   margin: 0 auto;
   width: 1120px;
   max-width: 100%;
   text-align: center;
   position: relative;
}
#slider input[type="radio"] {
   display: none;
}
#slider label {
   cursor: pointer;
   text-decoration: none;
}
#slides {
   //padding: 10px;
   ///border: 3px solid #ccc;
   background: #fff;
   position: relative;
   z-index: 1;
}
#overflow {
   width: 100%;
   overflow: hidden;
}
#slide1:checked ~ #slides .inner {
   margin-left: 0;
}
#slide2:checked ~ #slides .inner {
   margin-left: -100%;
}
#slide3:checked ~ #slides .inner {
   margin-left: -200%;
}
#slide4:checked ~ #slides .inner {
   margin-left: -300%;
}

#slides .inner {
   transition: margin-left 800ms cubic-bezier(0.77, 0, 0.175, 1);
   width: 400%;
   line-height: 0;
   height: 300px;
   position: relative;
}
#slides .slide {
   width: 25%;
   float: left;
   display: flex;
   justify-content: center;
   align-items: center;
   ///height: 100%;
   color: #fff;
}

#controls {
   margin: -250px 0 0 0;
   width: 100%;
   height: 120px;
   z-index: 3;
   position: relative;
}
#controls label {
   transition: opacity 0.2s ease-out;
   display: none;
   width: 30px;
   height: 30px;
   opacity: 1;
}
#controls label:hover {
   opacity: 0.2;
}
#slide1:checked ~ #controls label:nth-child(2),
#slide2:checked ~ #controls label:nth-child(3),
#slide3:checked ~ #controls label:nth-child(4),
#slide4:checked ~ #controls label:nth-child(1) {
   background-image: url("../img/next.svg");
   /*background: url(https://image.flaticon.com/icons/svg/130/130884.svg)*/
   //background-color: red;
      no-repeat;
   //float: right;
   ///margin: 0 -50px 0 0;
   display: block;
   margin-left: 1080px;
   position: absolute;
   z-index: 1001;
}
#slide1:checked ~ #controls label:nth-last-child(1),
#slide2:checked ~ #controls label:nth-last-child(4),
#slide3:checked ~ #controls label:nth-last-child(3),
#slide4:checked ~ #controls label:nth-last-child(2) {
   background-image: url("../img/back.svg");
   /*background: url(https://image.flaticon.com/icons/svg/130/130882.svg)*/
   //background-color: black;
      no-repeat;
   //float: left;
   ///margin: 0 0 0 -50px;
   display: block;
   margin-left: 10px;
   position: absolute;
   z-index: 1002;
}
#bullets {
   margin: 130px 0 0;
   text-align: center;
}
#bullets label {
   display: inline-block;
   width: 6px;
   height: 6px;
   border-radius: 100%;
   background: #ccc;
   margin: 0 5px;
}
#slide1:checked ~ #bullets label:nth-child(1),
#slide2:checked ~ #bullets label:nth-child(2),
#slide3:checked ~ #bullets label:nth-child(3),
#slide4:checked ~ #bullets label:nth-child(4) {
   background: #444;
}
@media screen and (max-width: 900px) {
   #slide1:checked ~ #controls label:nth-child(2),
   #slide2:checked ~ #controls label:nth-child(3),
   #slide3:checked ~ #controls label:nth-child(4),
   #slide4:checked ~ #controls label:nth-child(1),
   #slide1:checked ~ #controls label:nth-last-child(1),
   #slide2:checked ~ #controls label:nth-last-child(4),
   #slide3:checked ~ #controls label:nth-last-child(3),
   #slide4:checked ~ #controls label:nth-last-child(2) {
      margin: 0;
   }
   #slides {
      ///max-width: calc(100% - 140px);
      margin: 0 auto;
   }
}

.fila-next {
  position: absolute;
  width: 100%;
  z-index: 101;

}

.bt_back {
  color: white;
  font-size: 2rem;
  z-index: 100;
  top: 50%;
  margin-right: 1050px;
}

.bt_next {
  color: white;
  font-size: 2rem;
  z-index: 100;
  top: 50%;
  //margin-left: 1050px;
}



@media (max-width: 767px){

  #slides .slide {
     width: 25%;
     float: left;
     ///display: block;
     ///height: 100%;
     color: #fff;
  }

  #controls {
     margin: -100px 0 0 0;
     width: 100%;
     height: 0;
     //display: none;
  }

  .slide-content img{
    width: 100%;
  }

  #slides .inner {
     height: 100px;
  }

  #bullets {
     margin: 110px 0 0;
     text-align: center;
  }

  #bullets label {
     display: inline-block;
     width: 15px;
     height: 15px;
     border-radius: 100%;
     background: #ccc;
     margin: 0 10px;
  }


  #slide1:checked ~ #controls label:nth-child(2),
  #slide2:checked ~ #controls label:nth-child(3),
  #slide3:checked ~ #controls label:nth-child(4),
  #slide4:checked ~ #controls label:nth-child(1) {
     background-image: url("../img/next.svg");
     /*background: url(https://image.flaticon.com/icons/svg/130/130884.svg)*/
     //background-color: red;
        no-repeat;
     //float: right;
     ///margin: 0 -50px 0 0;
     //display: none;
     margin-left: 90%;
     position: absolute;
     z-index: 1001;
  }
  #slide1:checked ~ #controls label:nth-last-child(1),
  #slide2:checked ~ #controls label:nth-last-child(4),
  #slide3:checked ~ #controls label:nth-last-child(3),
  #slide4:checked ~ #controls label:nth-last-child(2) {
     background-image: url("../img/back.svg");
     /*background: url(https://image.flaticon.com/icons/svg/130/130882.svg)*/
     //background-color: black;
        no-repeat;
     //float: left;
     ///margin: 0 0 0 -50px;
     //display: none;
     margin-left: 2%;
     position: absolute;
     z-index: 1002;
  }

}