body{
	width: 100%;
	height: auto;
	font-family: sans-serif;
	background-image: url(https://images.cnblogs.com/cnblogs_com/blogs/738232/galleries/2125766/o_220316013754_p6-1.png);
	background-repeat: no-repeat;
	background-attachment: fixed;
	background-size: cover;
}
#home{
 
  opacity: 0.95;
  transition: 2s;
  //top: 0;
  //left: 0;
}
#leftcontentcontainer{
    margin: 0;
    padding: 0;
    text-align: left;
}
h1,h2,h4,h3,h5{
  background-color: #E0FFFF;
  box-shadow: #ccc 2px 2px 3px;
}