body {
  background: url(https://images.cnblogs.com/cnblogs_com/zuojiachen/1683693/o_200329072720thumb-1920-224643.png) fixed;
  background-size: cover;
  background-repeat: no-repeat;
  z-index: -1;
}
#navigator{
  background-color: #009999;
}
#navList li a:hover{
 background-color: #33CCCC;
 color:#A8DEF4;
}
.catListTitle{
  background-color:#009999;
}
.sidebar-block h3{
  background-color:#009999;
}
#Header1_HeaderTitle {
     text-align: center;
     background-image: -webkit-linear-gradient(left,blue,#66ffff 10%,#cc00ff 20%,#CC00CC 30%, #CCCCFF 40%, #00FFFF 50%,#CCCCFF 60%,#CC00CC 70%,#CC00FF 80%,#66FFFF 90%,blue 100%);
    -webkit-text-fill-color: transparent;/* 将字体设置成透明色 */
    -webkit-background-clip: text;/* 裁剪背景图，使文字作为裁剪区域向外裁剪 */
    -webkit-background-size: 200% 100%; 
    -webkit-animation: masked-animation 4s linear infinite;
}
@keyframes masked-animation {
    0% {
        background-position: 0  0;
    }
    100% {
        background-position: -100%  0;
    }
}