@media screen and (max-width: 750px) 
{
	.aaaaa{
		width:100%; height:300px; margin:0 auto; text-align:right; width: 100%;
			background: url(bg.jpg) top center no-repeat;
			background-size: 100%;
    }
    .aaaaa img{
		width: 162px;
		height: 46px;
		margin-right: 50px;
	}
 }