.intro-section{
	position: relative;
}

.intro-content{
	display: flex;
    flex-direction: column;
    justify-content: center;
}

.intro-arts{
	position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.intro-art-element{
	position: absolute;
}

.intro-art-app {
	margin-left: 90px;
}

.intro-art-image-background-{
	height: 100vh;
}

.intro-art-image{
	height: 100vh;
	width: 100%; 
	position: absolute;
	bottom: 0px;
}


@media (min-width: 300px){

	.intro-content{
		margin-top: 82px;
		height: 390px;
	}

	.intro-arts{
		min-height:	auto;
		margin-top: 30px;
		margin-bottom: 30px;
		background-image: url(../img/intro_background.png);
		background-size: contain;
		background-repeat: no-repeat;
	}

	.intro-art-element{
		position: relative;
		width: 100%
	}


	.intro-art-background{
		display: none;
	}

	.intro-art-app {
		margin-left: 45px;
	}

	.intro-art-image-background-{
		height: auto
	}

	.intro-art-image{
		position: relative;
		height: auto;
	}
}

@media (min-width: 768px){
	.intro-content{
		margin-top: 0px;
		min-height: 100vh;
	}
	.intro-arts{
		min-height: 100vh;
		margin: 0px;
		background-image: none;
	}
	.intro-art-element{
		position: absolute;
		bottom: 0px;
		width: 130%;
	}
	.intro-art-background{
		display: block;
	}
	.intro-art-app {
		margin-left: 90px;
	}
	.intro-art-image{
		height: 100vh;
		width: 100%; 
		position: absolute;
		bottom: 0px;
	}
}