.row{
	margin:auto;
	margin-top:20px;

}
.img_group{

	padding:20px;
}
.img_group{
	display: flex;
	justify-content: center;
}

/*media about div*/
@media (min-width:1850px) and (max-width:2000px){
	.img_group{width:25%;}
}

@media (min-width:1350px) and (max-width:1850px){
	.img_group{width:33.3%;}
}
@media (min-width:1055px) and (max-width:1349px){
	.img_group{width:50%;}
}
@media (min-width:500px) and (max-width:1055px){
	.img_group{width:100%;}
}

/*media about image*/

@media (min-width:1850px) and (max-width:2000px){
	.img{width:450px; height:400px; }
}
@media (min-width:1700px) and (max-width:1849px){
	.img{width:550px; height:500px; }
}
@media (min-width:1580px) and (max-width:1699px){
	.img{width:450px; height:400px; }
}
@media (min-width:1350px) and (max-width:1579px){
	.img{width:430px; height:400px; }
}
@media (min-width:1185px) and (max-width:1349px){
	.img{width:550px; height:500px; }
}
@media (min-width:1185px) and (max-width:1349px){
	.img{width:550px; height:500px; }
}