img {
  max-width: 100%;
}

#slider {
  margin: 0 auto;
  width: 800px;
  max-width: 100%;
  text-align: center;
}

#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;
}

#slides .slide {
  width: 25%;
  float: left;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  color: #fff;
}

#slides .slide_1 {
  background: #00171F;
}

#slides .slide_2 {
  background: #003459;
}

#slides .slide_3 {
  background: #007EA7;
}

#slides .slide_4 {
  background: #00A8E8;
}

#controls {
  margin: -180px 0 0 0;
  width: 100%;
  height: 50px;
  z-index: 3;
  position: relative;
}

#controls label {
  transition: opacity 0.2s ease-out;
  display: none;
  width: 50px;
  height: 50px;
  opacity: 0.4;
}

#controls label:hover {
  opacity: 1;
}

#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: url(https://image.flaticon.com/icons/svg/130/130884.svg) no-repeat;
  float: right;
  margin: 0 -50px 0 0;
  display: block;
}

#slide1:checked ~ #controls label:nth-last-child(2),
#slide2:checked ~ #controls label:nth-last-child(3),
#slide3:checked ~ #controls label:nth-last-child(4),
#slide4:checked ~ #controls label:nth-last-child(1) {
  background: url(https://image.flaticon.com/icons/svg/130/130882.svg) no-repeat;
  float: left;
  margin: 0 0 0 -50px;
  display: block;
}

#bullets {
  margin: 150px 0 0;
  text-align: center;
}

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

#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(2),
#slide2:checked ~ #controls label:nth-last-child(3),
#slide3:checked ~ #controls label:nth-last-child(4),
#slide4:checked ~ #controls label:nth-last-child(1) {
    margin: 0;
  }

  #slides {
    max-width: calc(100% - 140px);
    margin: 0 auto;
  }
}

/*# sourceMappingURL=slider.css.map */