/* 屏蔽广告大图片 */
#site_nav_under {
    display: none;
}
.c_ad_block, .ad_text_commentbox {
    display: none;
    margin: 0;
    padding: 0;
}
#ad_under_google {
    height: 0;
    overflow: hidden;
}
#ad_under_google a {
    display: none;
}

/* GitHub Cornor */
.github-corner :hover .octo-arm {
    animation: octocat-wave 560ms ease-in-out;
}
@media (max-width: 991px) {
  .github-corner >svg {
    fill: #fff !important;
    color: #222 !important;
  }
  .github-corner .github-corner:hover .octo-arm {
    animation: none;
  }
  .github-corner .github-corner .octo-arm {
    animation: octocat-wave 560ms ease-in-out;
  }
}
@-moz-keyframes octocat-wave {
  0%, 100% {
    -webkit-transform: rotate(0);
    -moz-transform: rotate(0);
    -ms-transform: rotate(0);
    -o-transform: rotate(0);
    transform: rotate(0);
  }
  20%, 60% {
    -webkit-transform: rotate(-25deg);
    -moz-transform: rotate(-25deg);
    -ms-transform: rotate(-25deg);
    -o-transform: rotate(-25deg);
    transform: rotate(-25deg);
  }
  40%, 80% {
    -webkit-transform: rotate(10deg);
    -moz-transform: rotate(10deg);
    -ms-transform: rotate(10deg);
    -o-transform: rotate(10deg);
    transform: rotate(10deg);
  }
}
@-webkit-keyframes octocat-wave {
  0%, 100% {
    -webkit-transform: rotate(0);
    -moz-transform: rotate(0);
    -ms-transform: rotate(0);
    -o-transform: rotate(0);
    transform: rotate(0);
  }
  20%, 60% {
    -webkit-transform: rotate(-25deg);
    -moz-transform: rotate(-25deg);
    -ms-transform: rotate(-25deg);
    -o-transform: rotate(-25deg);
    transform: rotate(-25deg);
  }
  40%, 80% {
    -webkit-transform: rotate(10deg);
    -moz-transform: rotate(10deg);
    -ms-transform: rotate(10deg);
    -o-transform: rotate(10deg);
    transform: rotate(10deg);
  }
}
@-o-keyframes octocat-wave {
  0%, 100% {
    -webkit-transform: rotate(0);
    -moz-transform: rotate(0);
    -ms-transform: rotate(0);
    -o-transform: rotate(0);
    transform: rotate(0);
  }
  20%, 60% {
    -webkit-transform: rotate(-25deg);
    -moz-transform: rotate(-25deg);
    -ms-transform: rotate(-25deg);
    -o-transform: rotate(-25deg);
    transform: rotate(-25deg);
  }
  40%, 80% {
    -webkit-transform: rotate(10deg);
    -moz-transform: rotate(10deg);
    -ms-transform: rotate(10deg);
    -o-transform: rotate(10deg);
    transform: rotate(10deg);
  }
}
@keyframes octocat-wave {
  0%, 100% {
    -webkit-transform: rotate(0);
    -moz-transform: rotate(0);
    -ms-transform: rotate(0);
    -o-transform: rotate(0);
    transform: rotate(0);
  }
  20%, 60% {
    -webkit-transform: rotate(-25deg);
    -moz-transform: rotate(-25deg);
    -ms-transform: rotate(-25deg);
    -o-transform: rotate(-25deg);
    transform: rotate(-25deg);
  }
  40%, 80% {
    -webkit-transform: rotate(10deg);
    -moz-transform: rotate(10deg);
    -ms-transform: rotate(10deg);
    -o-transform: rotate(10deg);
    transform: rotate(10deg);
  }
}