@media (max-width: 539px) {
	.about-in .about-words {
		width: 95%;
		padding-top: 20px;
		font-size: 10px;
	}
	.about-in .about-words h2 {
		font-size: 26px;
		line-height: 36px;
	}
	.about-in .about-words h3 {
		padding-bottom: 10px;
		font-size: 16px;
	}
	.certificate-ul {
		width: 100%;
	}
	.certificate-ul li {
		display: block;
		margin-left: 50%!important;
		transform: translateX(-50%);
		margin-bottom: 20px;
	}
}

@media (min-width: 540px) and (max-width:767px) {
	.about-in .about-words {
		width: 500px;
		padding-top: 40px;
	}
	.about-in .about-words h2 {
		font-size: 28px;
		line-height: 40px;
	}
	.about-in .about-words h3 {
		padding-bottom: 10px;
		font-size: 18px;
	}
	.certificate-ul {
		width: 100%;
	}
	.certificate-ul li {
		display: block;
		margin-left: 50%!important;
		transform: translateX(-50%);
		margin-bottom: 20px;
	}
}

@media (min-width: 768px) and (max-width:1023px) {
	.about-in .about-words {
		width: 600px;
		padding-top: 60px;
	}
	.about-in .about-words h2 {
		font-size: 36px;
		line-height: 50px;
	}
	.about-in .about-words h3 {
		padding-bottom: 10px;
		font-size: 26px;
	}
	.certificate-ul {
		width: 100%;
	}
	.certificate-ul li {
		display: block;
		margin-left: 50%!important;
		transform: translateX(-50%);
		margin-bottom: 20px;
	}
}

@media (min-width: 1024px) and (max-width:1399px) {
	
}

@media (min-width: 1400px) {
	
}