如何使用 JS/CSS 使这个滑块自动？

如何解决如何使用 JS/CSS 使这个滑块自动？

所以我为我的项目制作了这个滑块，我希望幻灯片使用 css（或 javascript，但我还没有学习 JS）自动更改。我需要帮助以任何方式使滑块自动。请帮忙，我是网络开发的新手。我已经添加了整个 html 和 css 代码以供参考。

    <div class="container">


<input type="radio" id="i1" name="images" checked/>
<input type="radio" id="i2" name="images" />
<input type="radio" id="i3" name="images" />
<input type="radio" id="i4" name="images"  />

<div class="slide_img" id="one">            
        
        <img src="Sld1.jpg">
        
            <label class="prev" for="i4"><span></span></label>
            <label class="next" for="i2"><span></span></label>  
    
</div>

<div class="slide_img" id="two">
    
        <img src="Sld2.jpg" >
        
            <label class="prev" for="i1"><span></span></label>
            <label class="next" for="i3"><span></span></label>
    
</div>
        
<div class="slide_img" id="three">
        <img src="Sld3.jpg">    
        
            <label class="prev" for="i2"><span></span></label>
            <label class="next" for="i4"><span></span></label>
</div>


<div class="slide_img" id="four">
        <img src="Sld4.jpg">    
        
            <label class="prev" for="i3"><span></span></label>
            <label class="next" for="i1"><span></span></label>

</div>

<div id="nav_slide">
    <label for="i1" class="dots" id="dot1"></label>
    <label for="i2" class="dots" id="dot2"></label>
    <label for="i3" class="dots" id="dot3"></label>
    <label for="i4" class="dots" id="dot4"></label>
</div>
    </div>

    <style>
@import url('https://fonts.googleapis.com/css?family=Just+Another+Hand');
body,html {
  width: 100%;
  height: 100%;
  margin: 0;
  font-family: 'Just Another Hand',cursive;
  overflow-X: hidden;
}
.container {
  margin: 0 auto;
  margin-top: 0.5%;
  position: relative;
  width: 99%;
  height: 0;
  padding-bottom: 40%;
  user-select: none;
  background-color: #1c1c1c;
  Box-shadow: 0 11px 22px rgba(0,0.2),0 7px 7px rgba(0,0.24);
}
.container input {
  display: none;
}
.container .slide_img {
  position: absolute;
  width: 100%;
  height: 100%;
  z-index: -1;
}
.container .slide_img img {
  width: inherit;
  height: inherit;
}
.container .slide_img .prev,.container .slide_img .next {
  width: 12%;
  height: inherit;
  position: absolute;
  top: 0;
  background-color: rgba(143,126,0);
  z-index: 99;
  transition: 0.45s;
  cursor: pointer;
  text-align: center;
}
.container .slide_img .next {
  right: 0;
}
.container .slide_img .prev {
  left: 0;
}
.container .slide_img .prev:hover,.container .slide_img .next:hover {
  transition: 0.3s;
  background-color: rgba(185,142,0.315);
}
.container .slide_img .prev span,.container .slide_img .next span {
  position: absolute;
  width: 0px;
  height: 0px;
  border: solid 20px;
  top: 50%;
  transform: translateY(-50%);
}
.container .slide_img .prev span {
  border-color: transparent #fff transparent transparent;
  right: 35%;
}
.container .slide_img .next span {
  border-color: transparent transparent transparent #fff;
  left: 35%;
}
.container #nav_slide {
  width: 100%;
  bottom: 12%;
  height: 11px;
  position: absolute;
  text-align: center;
  z-index: 99;
  cursor: default;
}
.container #nav_slide .dots {
  top: -5px;
  width: 18px;
  height: 18px;
  margin: 0 3px;
  position: relative;
  border-radius: 100%;
  display: inline-block;
  background-color: rgba(0,0.6);
  transition: 0.4s;
  cursor: pointer;
}
.container #nav_slide #dot1:hover {
  background: yellow;
}
.container #nav_slide #dot2:hover {
  background: #F44336;
}
.container #nav_slide #dot3:hover {
  background: #2196F3;
}
.container #nav_slide #dot4:hover {
  background: #4CAF50;
}
#i1:checked ~ #one,#i2:checked ~ #two,#i3:checked ~ #three,#i4:checked ~ #four {
  z-index: 9;
  animation: scroll 1s ease-in-out;
}
#i1:checked ~ #nav_slide #dot1 {
  background: yellow;
}
#i2:checked ~ #nav_slide #dot2 {
  background: #F44336;
}
#i3:checked ~ #nav_slide #dot3 {
  background: #2196F3;
}
#i4:checked ~ #nav_slide #dot4 {
   background: #4CAF50;
}
@keyframes scroll {
  0% {
    opacity: 0.4;
  }
  100% {
    opacity: 1;
  }
 }
@media screen and (max-width: 685px) {
   .container {
    border: none;
    width: 100%;
    height: 0;
    padding-bottom: 55%;
    margin-top: 0%;
  }
  .container .slide_img .prev,.container .slide_img .next {
    width: 15%;
  }
  .container .slide_img .prev span,.container .slide_img .next span {
    border: solid 12px;
  }
  .container .slide_img .prev span {
    border-color: transparent #fff transparent transparent;
  }
  .container .slide_img .next span {
    border-color: transparent transparent transparent #fff;
  }
  .container #nav_slide .dots {
    width: 12px;
    height: 12px;
  }
}
</style>

滑块有 4 张幻灯片，我希望幻灯片在一定时间间隔后自动更改，比如 2 秒。请告诉我需要向此代码添加什么才能使其成为可能。