.about-title{font-size:48px; text-align:center;margin-bottom:40px;}
.ban img{max-width:100%; display:block; margin: auto;}
.bottom-ban{
	margin-top:60px;
}
.bottom-ban img{
	display:block;margin:0 auto; max-width:100%;
}


@media screen and (max-width:768px){
	.about-title{font-size:28px; text-align:center;margin-bottom:20px;}
}