body{
    background: url(https://images.cnblogs.com/cnblogs_com/lxrNote/1677326/o_200408070534bgim_gaitubao_.jpg) top center no-repeat  fixed;
    bakcground-size: 100% auto;
    scroll-behavior: smooth;
  }
#header {
    margin-top: 6em;
    background: #333;
    opacity: 0.95;
}
#header #navigator {
      margin: 0; 
}
#main {
  opacity: 0.96;
}
#footer {
  margin: 0px; 
  background-color: #333;
  opacity: 0.96;
  color: white;
}
#blogTitle h1 a, #blogTitle h2 {
  color: orange;
}

#toTop {
    background: rgba(0,0,0,.5);;
    height: 60px;
    width: 60px;
    overflow: hidden;
    position: fixed;
    right: 5%;
    bottom: 5%;
    cursor: pointer;
    z-index: 999;
    border-radius: 1rem;
}
#toTop::before {
   content: "";
   border-left: 20px solid transparent;
   border-right: 20px solid transparent;
   border-bottom: 20px solid orange;
   border-radius: 1rem;
   position: absolute;
   top: 50%;
   left: 50%;
   transform: translate(-50%, -50%);
}
#cnblogs_c1,#ad_t2,#under_post_news,#cnblogs_c2,#under_post_kb,.blogStats {
   display: none;
}
#btn_comment_submit:hover {
   cursor: pointer;
   background: rgba(0,0,0,.4);
   color:  orange;
box-shadow: #fff 0 0 10px, #fff 0 0 10px, rgb(245, 10, 245) 0 0 15px;
}
#btn_comment_submit {
padding: 10px;
    background: orange;
    color: white;
    font-weight: bold;
    letter-spacing: 2px;
    border-radius: .6rem;
    outline: none;
    border: none;
box-shadow:1px 2px 5px 0px black
}
.comment_btn {
   height: auto;
   width: auto;
line-height: inherit;
}
::-moz-selection{
   background: orange;
}
::selection{
   background: orange;
}
h1 {
   scroll-behavior: smooth;
}