*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
@keyframes fade{
  from{
    opacity: 0.4;
  }
  to{
    opacity: 1;
  }
}
body{
    background: #eeeee;
}
#slider{
    margin: 0 auto;
    width: 100%;
    overflow: hidden;
}
.slides{
    overflow: hidden;
    animation-name: fade;
    animation-duration: 1s;
    display: none;
}
img{
    width: 100%;
}
.active{
    background: black;
}
@media (max-width: 567px){
  #slider{
        width: 100%;

  }
}
#heading{
    display: block;
    text-align: center;
    font-size: 2em;
    margin: 10px 0px;

}