h1 {
	font-size: 56px;
	
}
.hero-image {
	background-image: url("https://belajark3.com/whats-new/images/bg.webp");
}
.gambar {
	background-image: url("https://belajark3.com/materi_pengendalian_pencemaran_air/images/newbg.webp");
}
.judul_materi {
	position: absolute;
	bottom: 40px;
	left: 100px;
}
.pro {
	position: absolute;
	bottom: 50px;
	left: 210px;
	color: white;
	font-size: 20px
}
.pro span {
	color: yellow; text-decoration: underline
}
.bg-top {
	position: absolute;
	top: 0;
	height: 160px;
	background: linear-gradient(180deg, #00000099, transparent);
	width: 100%;
}	
.bg-bottom {
	position: absolute;
	bottom: 0;
	height: 240px;
	width: 100%;
}
.column3 {
	float: left;
	width: 33.33%;
}
.row3 {
	margin-left: -10px;
	margin-right: -10px
}
.row3:after {
	content: "";
	display: table;
	clear: both;
}
.KOTAK1 {
	background: #F0FFFF;
}
.KOTAK2 {
	background: rgba(240, 240, 240, 0.87); 
}
.KOTAK1, .KOTAK2 {
	border-bottom: solid 3px #FFC000;
	border-radius: 3px;
	margin: 10px 10px 50px;
	box-shadow: 
		inset 0 -3em 3em rgba(0,0,0,0.1), 
			0 0  0 1px rgba(0,0,0,.1),
			0.3em 0.3em 0.1em rgba(0,0,0,0.3);
}
.KOTAK1 img, .KOTAK2 img {
	width: 100%;
	height: auto;
}
.materi {
	padding: 20px;
}
.materi h3 {
	margin: 0;
	line-height: 1;
	color: #374655
}
.materi p {
	font-size: 17px
}
.materi .selengkapnya {
	padding: 4px 12px;
	font-size: 13px;
	border-radius: 3px
}
@media (min-width: 992px) and (max-width: 1199.98px) {
	.judul_materi {
		left: 60px;
		}
	h1 {
		font-size: 50px;
		
		}
	.pro {
		left: 175px
		}
	.column3 {
		width: 50%;
		}
	.KOTAK1, .KOTAK2 {
		margin: 10px 30px 50px
		}
	.row3 {
		margin-left: -30px;
		margin-right: -30px;
		}
	}
@media (min-width: 768px) and (max-width: 991.98px) {
	.judul_materi {
		left: 40px;
		}
	.pro {
        left: 160px
		}
	.column3 {
		width: 50%;
		}
	}
@media (min-width: 576px) and (max-width: 767.98px) {
	.judul_materi {
		left: 40px;
		right: 40px;
		margin: auto;
		text-align: center;
		bottom: 100px;
		}
	h1 {
		font-size: 44px;
		width: auto;
		}
	.pro {
		bottom: 40px;
		left: 40px;
		right: 40px;
		line-height: normal;
		width: auto;
		text-align: center;
		font-size: 18px;
		margin: auto;
		border-top: solid 1px white;
		padding-top: 10px;
		}
	.gambar {
		background-image: url("https://belajark3.com/materi_pengendalian_pencemaran_air/images/newbg1.webp");
		}
	.column3 {
		width: 100%
		}
	.KOTAK1, .KOTAK2 {
		width: 80%;
		margin: 20px auto 50px;
		}
	.GARIS1 {
		display: none
		}
	}
@media screen and (max-width: 575.98px) {
	.gambar {
		background-image: url("https://belajark3.com/materi_pengendalian_pencemaran_air/images/newbg1.webp");
		}
	.judul_materi {
		left: 15px;
		bottom: 75px;
		}
	h1 {
		font-size: 50px;
		width: 270px;
		}
	.pro {
		bottom: 44px;
		width: 210px;
		left: 30px;
		right: 15px;
		line-height: normal;
		max-width: 332px;
		text-align: center;
		border-top: solid 1px white;
		margin: auto;
		padding-top: 5px;
		font-size: 17px;
		}
	.GARIS1 {
		display: none
		}
	.bg-bottom {
		background: linear-gradient(0deg, #000000bf, transparent);
		}
	.bg-top {
		background: linear-gradient(180deg, #000000ba, transparent)
		}
	.column3 {
		width: 100%
		}
	}