#blogTitle {
height: 320px;
width:100%;
clear: both; 
background-repeat: no-repeat; 
background-image:url("https://images.cnblogs.com/cnblogs_com/youchandaisuki/1181429/o_timg1.gif");
background-position:center;
background-size:100% auto;

}

body {
color: #000;
background: url(https://images.cnblogs.com/cnblogs_com/youchandaisuki/1181429/o_210730094519ayumu.jpg
) fixed;

width:100%;
height:100%;
background-size:100% auto;
filter:alpha(opacity=70); -moz-opacity:0.7; -khtml-opacity: 0.7; opacity: 0.7;
background-repeat: no-repeat;

font-family: "STHeiti-Light", Helvetica, Verdana, Arial, sans-serif;
font-size: 12px;
min-height: 101%;
}