.slider{
  width: 100%;
  height: 400px;

  overflow: hidden;
 
}

.slides{
  width: 500%;
  height: 400px;
  display: flex;
  margin-right:15px;
}

.slides input{
  display: none;
}

.slide{
  width: 20%;
  transition: 2s;
}

.slide img{
  width: 100%;
  height: 400px;
}

/*css for manual slide navigation*/

.navigation-manual{
  position: absolute;
  width: 100%;
  margin-top: -20px;
  display: flex;
  justify-content: center;
}

.manual-btn{
  border: 2px solid #40D3DC;
  padding: 5px;
  border-radius: 10px;
  cursor: pointer;
  transition: 1s;
}

.manual-btn:not(:last-child){
  margin-right: 20px;
}

.manual-btn:hover{
  background: #40D3DC;
}

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

#radio2:checked ~ .first{
  margin-left: -20%;
}

#radio3:checked ~ .first{
  margin-left: -40%;
}

#radio4:checked ~ .first{
  margin-left: -60%;
}

/*css for automatic navigation*/

.navigation-auto{
  position: absolute;
  display: flex;
  width: 100%;
  justify-content: center;
  margin-top: 380px;
}

.navigation-auto div{
  border: 2px solid #40D3DC;
  padding: 5px;
  border-radius: 10px;
  transition: 1s;
}

.navigation-auto div:not(:last-child){
  margin-right: 20px;
}

#radio1:checked ~ .navigation-auto .auto-btn1{
  background: #40D3DC;
}

#radio2:checked ~ .navigation-auto .auto-btn2{
  background: #40D3DC;
}

#radio3:checked ~ .navigation-auto .auto-btn3{
  background: #40D3DC;
}

#radio4:checked ~ .navigation-auto .auto-btn4{
  background: #40D3DC;
}

@media(max-width:768px){
    .slider{
  width: 360px;
  height: 200px;
  overflow: hidden;
}

.slides{
 
  width: 360px;
 
  height: 200px;
  display: flex;
}

.slides input{
  display: none;
}

.slide{
  width: 100%;
  transition: 1s;
}

.slide img{
  width: 360px;
  height: 200px;
}


.navigation-auto{
  position: absolute;
  display: flex;
  width: 360px;
  justify-content: center;
  margin-top: 160px;
}

.navigation-auto div{
  border: 2px solid #40D3DC;
  padding: 5px;
  border-radius: 5px;
  transition: 1s;
}

.navigation-manual{
  position: absolute;
  width: 360px;
  margin-top: -40px;
  display: flex;
  justify-content: center;
}

.manual-btn{
  border: 2px solid #40D3DC;
  padding: 5px;
  border-radius: 5px;
  cursor: pointer;
  transition: 1s;
}

.manual-btn:not(:last-child){
  margin-right: 40px;
}

.manual-btn:hover{
  background: #40D3DC;
}

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

#radio2:checked ~ .first{
  margin-left: -100%;
}

#radio3:checked ~ .first{
  margin-left: -200%;
}

#radio4:checked ~ .first{
  margin-left: -300%;
}

.navigation-auto div:not(:last-child){
  margin-right: 40px;
}

#radio1:checked ~ .navigation-auto .auto-btn1{
  background: #40D3DC;
}

#radio2:checked ~ .navigation-auto .auto-btn2{
  background: #40D3DC;
}

#radio3:checked ~ .navigation-auto .auto-btn3{
  background: #40D3DC;
}

#radio4:checked ~ .navigation-auto .auto-btn4{
  background: #40D3DC;
}

}