img[data-tex] {
  cursor: pointer;
  vertical-align: middle !important;
}
#math-textarea {
  outline: none;
  width: 420px;
  position: fixed;
  border: 1px solid #e8e8e8;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
  z-index: 20;
  text-indent: 0;
}
#math-textarea textarea {
  width: 100%;
  border: none;
  min-width: 400px;
  min-height: 88px;
  padding: 6px 6px;
  line-height: 24px;
  color: #595959;
  outline: none;
  box-sizing: border-box;
  resize: vertical;
}
#math-textarea .math-toolbar {
  position: relative;
  height: 24px;
  background: #f9f9f9;
  border-top: 1px solid #e8e8e8;
  line-height: 24px;
  padding: 8px 8px;
  text-align: left;
  text-indent: 0;
  align-items: center;
}
#math-textarea .math-toolbar__save {
  right: 24px;
  float: right;
  font-size: 12px;
  color: #555;
  cursor: pointer;
}
.math-content-tmp {
  padding: 0 6px;
  border-radius: 3px 3px;
  height: 100%;
  color: rgba(0, 0, 0, 0.25);
  display: inline-block;
  background: #f5f5f5;
  cursor: pointer;
  line-height: 32px;
}