@import url('https://fonts.googleapis.com/css?family=Roboto&display=swap')

* {
	box-sizing: border-box;
}

:root {
	--left-bg-color: rgba(87, 84, 236, 0.7);
	--right-bg-color: rgba(43, 43, 43, 0.8);
	--left-btn-hover-color: rgba(87, 84, 236, 1);
	--right-btn-hover-color: rgba(235, 155, 52, 1);
	--hover-width: 75%;
	--other-width: 25%;
	--speed: 1000ms;
}

body {
	font-family: 'Roboto', sans-serif;
    height: 100vh;
    overflow: hidden;
    margin: 0;
}

h1 {
	font-size: 2 rem;
	width: 550px;
	color: #fff;
	position: absolute;
	left: 50%;
	top: 20%;
	transform: translateX(-50%);
}

.btn {
	position: absolute;
	display: flex;
	align-items: center;
	justify-content: center; 
	left: 50%;
	top: 50%;
	transform: translateX(-50%);
	text-decoration: none;
	color: #fff;
	border: #fff solid 0.2rem;
	font-size: 1rem;
	font-weight: bold; 
	text-transform: uppercase;
	width: 15rem;
	padding: 1.5rem;
}

.split.left .btn:hover {
	background-color: var(--left-btn-hover-color);
	border-color: var(--left-btn-hover-color);
}

.split.right .btn:hover {
	background-color: var(--right-btn-hover-color);
	border-color: var(--right-btn-hover-color);
}

.split.right,
.split.left,
.split.right::before,
.split.left::before {
	transition: all var(--speed) ease; 
}

.container {
	position: relative;
	width: 100%;
	height: 100%;
}

.split {
	position: absolute;
	width: 50%;
	height: 100%;
	overflow: hidden;
}

.split.left {
	left: 0;
	background: url('img/cat.jpg');
	background-repeat: no-repeat;
	background-size: cover;
}

for ghost level
.split.left::before {
	content: '';
	position: absolute;
	width: 100%;
	height: 100%;
	background-color: var(--left-bg-color, rgba(43, 43, 43, 0.8)); /*custom variable*/
}

.split.right {
	right: 0;
	background: url('img/jack-russel.jpg');
	background-repeat: no-repeat;
	background-size: cover;	
}

.split.right::before {
	content: '';
	position: absolute;
	width: 100%;
	height: 100%;
	background-color: var(--right-bg-color, rgba(87, 84, 236, 0.7)); /*custom variable*/
}

.hover-left .left {
	width: var(--hover-width);
	--left-bg-color: none;
}

.hover-left .right {
	width: var(--other-width);
}

.hover-right .right {
	width: var(--hover-width);
	--right-bg-color: none;
}

.hover-right .leftt {
	width: var(--other-width);
}

@media(max-width: 800px) {
	h1 {
		font-size: 2rem;
		top: 30%;
	}

	.btn {
		padding: 1.2rem;
		width: 12rem;
	}
}

.up {
	margin-top: -100vh;
}

.cats-world {
	background-color: var(--left-btn-hover-color);
	position: absolute;
	width: 100%;
	height: 100%;

}

.homepage {
	position: absolute;
	right: 30px;
	bottom: 30px;
}

.homepage:hover,
.backBtn:hover,
.newBtn:hover,
.likeBtn:hover {
	scale: 1.1;
}

.dogs-world {
	background-color: var(--right-btn-hover-color);
	position: absolute;
	width: 100%;
	height: 100%;
}

.image-container {
	position: absolute;
	text-align: center;
	width: 90%;
	height: 80%;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	margin: auto;
	background-color: #fff;
}

.buttons {
	position: absolute;
	width: 100%;
	height: 15%;
	bottom: 0;
	left: 0;
	right: 0;
	margin: auto;
}

.backBtn,
.newBtn {
	vertical-align: bottom;
	background-color: var(--right-btn-hover-color);
	color: #fff;
	border: 0;
	border-radius: 10px;
	box-shadow: 0 5px 15px rgba(0,0,0,0.1), 0 6px 6px rgba(0,0,0,0.1);
	padding: 20px 50px;
	font-size: 16px;
	cursor: pointer;
	margin: 0 50px 0 50px;
}

.doglikeBtn,
.catlikeBtn {
	margin: 0 60px 0 60px;
	cursor: pointer;
}

.showCatImage,
.showDogImage {
	position: absolute;
	left: 0;
	right: 0;
	top: 0;
	bottom: 60px;
	margin: auto;
	width: 80vw;
	height: 70%;
	overflow: hidden;
}

.showCatImage img,
.showDogImage img {
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	margin: auto;
	object-fit: cover;
	min-width: auto;
	min-height: 50vh;
	max-height: 90vh;
}

.hidden {
	display: none;
}

.liked {
	position: absolute;
	animation: grow 0.6s linear;
	transform: translate(-50%, -50%) scale(0);
}

@keyframes grow {
	to {
		transform: translate(-50%, -50%) scale(10);
		opacity: 0;
	}
}

.photoStock {
	position: absolute;
	left: 20px;
	z-index: 20;
	top: 20px;
}

.photoStock img:hover {
	scale: 1.2;
}

.photoStock img:active {
	animation: grow 0.3s linear;
}

@media (max-width: 435px) {
	h1 {display: none;}
	#cat-show, #dog-show {max-width: 435px;}
	#catBackBtn, #showCatBtn, #dogBackBtn, #showDogBtn {
		margin: 3px;
		padding: 10px 20px;
	}
	.doglikeBtn,
	.catlikeBtn {
		width: 40px;
		height: 40px;
		margin: 0 10px 0 10px;
	}
	.showCatImage img, .showDogImage img {
		max-width: 80vw;
	}
}