body{
	background: linear-gradient(45deg,rgba(254,172,94,0.5),rgba(199,121,208,0.5),rgba(75,192,200,0.5));
        background:url(//images.cnblogs.com/cnblogs_com/dougiger/1778614/o_200602030358ELeAsEKUYAEFAoS.jpg) ;
}
#home{
opacity:0.9;
background: linear-gradient(45deg,rgba(254,172,94,0.5),rgba(199,121,208,0.5),rgba(75,192,200,0.5));
}