*{
	margin: 0;
	padding: 0;
}

body{
  background: #424242;
}
.testImage{
  border: 2px solid white;
  width: 40%;
  height: 40%;
  margin-left: 10%;
  margin-top: 6%;
}
.testImage1{
  border: 2px solid white;
  width: 40%;
  height: 40%;
  margin-left: 5%;
  margin-top: 6%;
}
.btn{
  border-radius: 50%;
  padding: 1em;
}
.sepia{
  margin-top: 8%;
  margin-left: 33%;  
}
.blackAndWhite, .saturation{
  margin-left: 3em;
}