nav {
  margin-bottom: 20px;
}

img {
  max-width: 100%;
  height: auto !important;
}

.inline {
  display: inline;
}

.page-header {
  padding-top: 20px;
  padding-bottom: 20px;
}

.comments {
  margin: 20px 0;
}

.post-body {
  margin-bottom: 30px;
}

.reply-body {
  margin-top: 10px;
}

.sidebar {
  padding-left: 30px;
}

footer {
  margin-top: 30px;
  padding: 10px 0 40px;
  color: #999;
  border-top: 1px solid #e5e5e5;
}

.page-footer {
  padding-top: 40px;
}

.tip {
  /* from github.com */
  color: black !important;
  position: relative;
  padding: 40px;
  text-align: center;
  background-color: #fafbfc;
  border: 1px solid #e1e4e8;
  border-radius: 3px;
  box-shadow: inset 0 0 10px rgba(27, 31, 35, 0.05);
}

/* code blocks */
.post-body pre {
  background: #0d1117;
  padding: 1rem 1.25rem;
  border-radius: .5rem;
  overflow-x: auto;
  font-size: .875rem;
  line-height: 1.6;
  margin: 1rem 0;
}
.post-body pre code {
  font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
  background: transparent;
  padding: 0;
  color: inherit;
}
/* billiardgl 后台表格图标按钮（紧凑行高） */
.bgl-icon-btn {
  border: none;
  background: none;
  padding: 0 6px 0 0;
  font-size: 14px;
  text-decoration: none;
  cursor: pointer;
}
.bgl-icon-danger { color: #d9534f; }