pre {
  max-height: 80vh;
  overflow: auto;
}
h1 {
  font-size: 1.25rem;
}
h2 {
  font-size: 1.2rem;
}
h3 {
  font-size: 1.1rem;
}
@media (min-width: 70em) {
  .container {
    max-width: 42rem;
  }
}
@media (min-width: 96em) {
  .container {
    max-width: 48rem;
  }
}
/* Hide the sidebar checkbox that we toggle with `.sidebar-toggle` */
.sidebar-checkbox {
  display: none;
}
.sidebar-toggle {
  position: fixed;
}
.sidebar-toggle:before,
.sidebar-toggle:active:before,
#sidebar-checkbox:focus ~ .sidebar-toggle:before,
#sidebar-checkbox:checked ~ .sidebar-toggle:before {
  background-image: none;
}
.sidebar-social {
  text-align: center;
}
.sidebar-social a:hover,
.sidebar-social a:focus {
  text-decoration: none;
  background-color: rgba(255,255,255,.1);
}
.content{
  background-color: rgba(255,255,255,.9);
}
.masthead {
  background-color: rgba(255,255,255,.9);
  padding-top:    .8rem;
  padding-bottom: .8rem;
}
.post-date {
  margin-top: 0px;
}
.related {
  border-top: 0px solid #eee;
}
.reward {
  padding: 1rem 0;
  margin: 1rem;
  text-align: center;
}
#rewardButton {
  background-color: #ec6149;
  color: #fff;
  font-size: 1rem;
  padding: 0.5rem 1rem;
  border:0px solid;
}
#rewardQRs {
  display: none;
  border: 0px solid;
}
.reward_qr{
  border: 0px solid;
  background: none;
}
/*头像效果-start*/
.ih-item.circle.effect {
  margin: 0 auto;
  -webkit-perspective: 900px;
  -moz-perspective: 900px;
  perspective: 900px;
}
.ih-item.circle.effect .img {
  z-index: 11;
  -webkit-transition: all 0.5s ease-in-out;
  -moz-transition: all 0.5s ease-in-out;
  transition: all 0.5s ease-in-out;
}
.ih-item.circle.effect .info {
  -webkit-transform-style: preserve-3d;
  -moz-transform-style: preserve-3d;
  -ms-transform-style: preserve-3d;
  -o-transform-style: preserve-3d;
  transform-style: preserve-3d;
}
.ih-item.circle.effect .info .info-back {
  opacity: 1;
  border-radius: 50%;
  width: 100%;
  height: 100%;
}
.ih-item.circle.effect.bottom_to_top .img {
  -webkit-transform-origin: 50% 0;
  -moz-transform-origin: 50% 0;
  -ms-transform-origin: 50% 0;
  -o-transform-origin: 50% 0;
  transform-origin: 50% 0;
}
.ih-item.circle.effect.bottom_to_top a:hover .img {
  -webkit-transform: rotate3d(1, 0, 0, 180deg);
  -moz-transform: rotate3d(1, 0, 0, 180deg);
  -ms-transform: rotate3d(1, 0, 0, 180deg);
  -o-transform: rotate3d(1, 0, 0, 180deg);
  transform: rotate3d(1, 0, 0, 180deg);
}
.ih-item.circle.effect.top_to_bottom .img {
  -webkit-transform-origin: 50% 100%;
  -moz-transform-origin: 50% 100%;
  -ms-transform-origin: 50% 100%;
  -o-transform-origin: 50% 100%;
  transform-origin: 50% 100%;
}
.ih-item.circle.effect.top_to_bottom a:hover .img {
  -webkit-transform: rotate3d(1, 0, 0, -180deg);
  -moz-transform: rotate3d(1, 0, 0, -180deg);
  -ms-transform: rotate3d(1, 0, 0, -180deg);
  -o-transform: rotate3d(1, 0, 0, -180deg);
  transform: rotate3d(1, 0, 0, -180deg);
}
.ih-item.circle.effect.left_to_right .img {
  -webkit-transform-origin: 100% 50%;
  -moz-transform-origin: 100% 50%;
  -ms-transform-origin: 100% 50%;
  -o-transform-origin: 100% 50%;
  transform-origin: 100% 50%;
}
.ih-item.circle.effect.left_to_right a:hover .img {
  -webkit-transform: rotate3d(0, 1, 0, 180deg);
  -moz-transform: rotate3d(0, 1, 0, 180deg);
  -ms-transform: rotate3d(0, 1, 0, 180deg);
  -o-transform: rotate3d(0, 1, 0, 180deg);
  transform: rotate3d(0, 1, 0, 180deg);
}
.ih-item.circle.effect.right_to_left .img {
  -webkit-transform-origin: 0% 50%;
  -moz-transform-origin: 0% 50%;
  -ms-transform-origin: 0% 50%;
  -o-transform-origin: 0% 50%;
  transform-origin: 0% 50%;
}
.ih-item.circle.effect.right_to_left a:hover .img {
  -webkit-transform: rotate3d(0, 1, 0, -180deg);
  -moz-transform: rotate3d(0, 1, 0, -180deg);
  -ms-transform: rotate3d(0, 1, 0, -180deg);
  -o-transform: rotate3d(0, 1, 0, -180deg);
  transform: rotate3d(0, 1, 0, -180deg);
}
.ih-item a:hover {
  text-decoration: none;
}
.ih-item img {
  width: 100%;
  height: 100%;
}
.ih-item.circle {
  position: relative;
  width: 120px;
  height: 120px;
  border-radius: 50%;
}
.ih-item.circle .img {
  position: relative;
  width: 120px;
  height: 120px;
  border-radius: 50%;
}
.ih-item.circle .img:before {
  position: absolute;
  display: block;
  content: '';
  width: 100%;
  height: 100%;
  border-radius: 50%;
  -webkit-transition: all 0.35s ease-in-out;
  -moz-transition: all 0.35s ease-in-out;
  transition: all 0.35s ease-in-out;
}
.ih-item.circle .img img {
  border-radius: 50%;
}
.ih-item.circle .info {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  text-align: center;
  border-radius: 50%;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}
@media all and (max-width: 780px) {
 .ih-item.circle .img {
    position: relative;
    width: 100px;
    height: 100px;
    /*margin-top: 20px;*/
    border-radius: 50%;
}
.ih-item.circle {
    position: relative;
    width: 100px;
    height: 100px;
    border-radius: 50%;
}
}
/*头像效果-end*/
