section.slider {
  margin: 0 auto;
  width: 100%;
  height: auto;
  padding: 0 !important;
  overflow: hidden;
}

.slider-content {
  width: 400%;
  height: auto;
  display: flex;
}

.slider-content input,
.img-mobile {
  display: none;
}

.slide-box {
  width: 25%;
  height: auto;
  position: relative;
  text-align: center;
  transition: 1s;
  background-color: white;
}

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

.nav-manual,
.nav-auto {
  position: absolute;
  width: 100%;
  margin-top: 25%;
  display: flex;
  justify-content: center;
}

.nav-manual .manual-btn,
.nav-auto div {
  border: 1px solid #565353;
  padding: 5px;
  border-radius: 50%;
  cursor: pointer;
  transition: 0.2s;
}

.nav-manual .manual-btn:not(:last-child),
.nav-auto div:not(:last-child) {
  margin-right: 10px;
}

.nav-manual .manual-btn:hover {
  background-color: #565353;
}

#radio1:checked ~ .nav-auto .auto-btn1,
#radio2:checked ~ .nav-auto .auto-btn2,
#radio3:checked ~ .nav-auto .auto-btn3 {
  background-color: #565353;
}

#radio1:checked ~ .primeiro {
  margin-left: 0%;
}

#radio2:checked ~ .primeiro {
  margin-left: -25%;
}

#radio3:checked ~ .primeiro {
  margin-left: -50%;
}

@media screen and (max-width: 900px) {
  .img-desktop {
    display: none;
  }

  .img-mobile {
    display: block;
  }

  .nav-auto,
  .nav-manual {
    margin-top: 130%;
  }
}