#intro header#top_message .section_bkg{background:#313131 url('https://aapcc.s3.amazonaws.com/images/homepage/intro_6.png') 50% top no-repeat;background-size:100% 100%;filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='https://aapcc.s3.amazonaws.com/images/homepage/intro_6.png',sizingMethod='scale');-ms-filter:"progid:DXImageTransform.Microsoft.AlphaImageLoader(src='https://aapcc.s3.amazonaws.com/images/homepage/intro_6.png',sizingMethod='scale')"}#intro #alerts .section_bkg{background:#d9d5d7 url('https://aapcc.s3.amazonaws.com/images/homepage/alerts_2.jpg') center bottom no-repeat}#intro #data_sys .section_bkg{background:#f0efef url('https://aapcc.s3.amazonaws.com/images/homepage/data_1.jpg') center 50% no-repeat;background-size:auto 100%}