.slider{
  width: 800px;
  height: 500px;
  overflow: hidden;
  align:middle;
}

.slides{
  width: 700%;
  height: 500px;
  display: flex;
}

.slides input{
  display: none;
}

.slide{
  width: 800px;
  transition: 2s;
}

.slide img{
  width: 800px;
  height: 500px;
}

/*css for manual slide navigation*/

.navigation-manual{
  position: absolute;
  width: 800px;
  margin-top: -40px;
  display: flex;
  justify-content: center;
}

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

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

.manual-btn:hover{
  background: white;
}

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

#radio2:checked ~ .first{
  margin-left: -14.28571428571429%;
}

#radio3:checked ~ .first{
  margin-left: -28.57142857142857%;
}

#radio4:checked ~ .first{
  margin-left: -42.85714285714286%;
}

#radio5:checked ~ .first{
  margin-left: -57.14285714285714%;
}

#radio6:checked ~ .first{
  margin-left: -71.42857142857143%;
}

#radio7:checked ~ .first{
  margin-left: -85.71428571428571%;
}

/*css for automatic navigation*/

.navigation-auto{
  position: absolute;
  width: 800px;
  margin-top: -40px;
  display: flex;
  justify-content: center;
}

.navigation-auto div{
  border: 2px solid #FFF;
  padding: 5px;
  border-radius: 10px;
  cursor: pointer;
  transition: 2s;
}

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

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

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

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

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

#radio5:checked ~ .navigation-auto .auto-btn5{
  background: #FFF;
}

#radio6:checked ~ .navigation-auto .auto-btn6{
  background: #FFF;
}

#radio7:checked ~ .navigation-auto .auto-btn7{
  background: #FFF;
}

.fdsfsdfsd {
background: visible;
}