.carouselHero{
	height: 25em;
}

.container a{
	text-decoration: none;
}

.links{
    -webkit-transform: scale(1);
	transform: scale(1);
	-webkit-transition: .3s ease-in-out;
	transition: .3s ease-in-out;
}

.links:hover{
    -webkit-transform: scale(1.1);
	transform: scale(1.);
}

  /* back to top */
  #btn-back-to-top {
position: fixed;
bottom: 20px;
right: 20px;
display: none;
}

/* hover change image */

.card .img-top {
	display: none;
	position: absolute;
	top: 0;
	left: 0;
	z-index: 1;
}
.card:hover .img-top {
	display: inline;
}

body {
	background: url("https://firebasestorage.googleapis.com/v0/b/eyeseeu-22ad4.appspot.com/o/ishihara-page%2Fishihara-test-blue-bg.jpg?alt=media&token=c902e814-1bc3-48e4-b658-2ccf795b2bc0") no-repeat fixed ;
	background-size: cover;
  }