body {
color: #000;
background: url(https://initiate.alphacoders.com/images/750/cropped-1920-1080-750997.png?8647
) fixed;
// 
// https://images5.alphacoders.com/845/thumb-1920-845154.png
//background-size: 100%;
background-size: cover;
opacity:1; //透明度
background-repeat: no-repeat;
font-family: "Helvetica Neue",Helvetica,Verdana,Arial,sans-serif;
font-size: 12px;
min-height: 101%;
}

#blogTitle h2 {
font-weight: normal;
ont-size: 19px;
ine-height: 1.846153846;
color: #757575;
float: left;
}

#home {
opacity: 0.95; //主体框
margin: 0 auto;
width: 85%;
min-width: 950px;
background-color: #fff;
padding: 30px;
margin-top: 30px;
margin-bottom: 50px;
box-shadow: 0 2px 6px rgba(100, 100, 100, 0.3);
}
#navigator {
font-size: 15px;
border-bottom: 1px solid #ededed;
border-top: 1px solid #ededed;
height: 50px;
clear: both;
margin-top: 25px;
}

#navList a:hover {
color: #4C9ED9;
text-decoration: none;
}