* {
  margin: 0;
  padding: 0;
}

/* body {
  /* height: auto;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center; 
}  */

.slider>div {
  margin-top: 2.5%;
  margin-left: 8%;
  display: flex;
  justify-content: flex-start;
  width: 1400px;
  height: 200px;
  /* background-color: black; */
  overflow: hidden;
  position: relative;
}

.sliding{
  display: flex;
  flex-basis: 20%;
  flex: 1;
  height: 100%;
  flex-shrink: 0;
  width: 4200px;
  transition: .5s;
  position: relative;
}

.elements {
  width: 200px;
  height: 200px;
  transition: .5s;
  flex: 1;
  flex-shrink: 0;
}

#btn1 {
  width: 50px;
  height: 30px;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1;
}

#btn2 {
  width: 50px;
  height: 30px;
  position: fixed;
  right: 0%;
  top: 0;
  z-index: 1;
}
.slider-btn{
  width: 100%;
  display: flex;
  justify-content: center;
  /* border: 1px solid black; */
  gap: 10%;
}
.slider-btn>button{
   width: 350px;
   height: 55px;
   font-size: 22px;
   font-variant: small-caps;
   border-radius: 90px;
   color: white;
   background-color: #257cff ;
   border: none;
}
.slider-btn>button:hover{
     background-color: rgb(255, 255, 255);
     color: #257cff;
     border: 1px solid #257cff ;
}