* {
  padding: 0;
  margin: 0;
  line-height: 2;
}

body {
  padding: 20px;
  font-size: 18px;
}

.gxrb .btn,
.gxrb button {
  margin-bottom: 10px;
  font-size: 18px;
  display: block;
  padding: 0 20px;
}
.gxrb p {
  margin-top: 0;
  margin-bottom: 10px;
  font-size: 16px;
  line-height: 30px;
  word-break: break-all;
}
.gxrb input {
  margin-bottom: 5px;
}
.gxrb #contentId {
  margin-bottom: 10px;
  width: 230px;
  height: 30px;
  font-size: 16px;
}
.gxrb .gird {
  border-bottom: 1px solid #e8e8e8;
  padding-bottom: 10px;
}
.gxrb .gird .gird-title {
  padding: 10px 0;
  font-size: 20px;
}
.gxrb .gird .multiple-img {
  font-size: 18px;
}
.gxrb .gird .preview-img {
  display: flex;
  justify-content: start;
  flex-wrap: wrap;
}
.gxrb .gird .preview-img img {
  display: block;
  object-fit: cover;
  width: 100px;
  height: 100px;
  margin-bottom: 10px;
  margin-right: 10px;
}
.gxrb .fix-btn {
  position: fixed;
  right: 20px;
  bottom: 60px;
  font-size: 12px;
  font-weight: bold;
  background: none;
  border: none;
  width: 50px;
  height: 50px;
  text-align: center;
  border-radius: 50%;
  line-height: 20px;
  box-sizing: border-box;
  padding-top: 5px;
  background: #de4741;
  color: #fff;
}