.bg-dfdfdf{
	background-color: #dfdfdf;
}
.pt40b20{
	padding-top: 40px;
	padding-bottom: 20px;
}
.w1200-h460{
	width: 1200px;
    height: 460px;
    margin-bottom: 20px;
    position: relative;
}
.w1200-h460 img {
	width: 1200px;
	height: 460px;
}
.w390-h254 {
    width: 390px;
    height: 254px;
    margin-bottom: 20px;
    position: relative;
}
.w390-h254 img {
    width: 390px;
    height: 254px;
}