.pos-center {
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.demo-img {
  width: 400px;
  height: 300px;
  border-radius: 5px;
}

.descrip {
  font-size: 15px;
  line-height: 0;
  color: #D66A00;
}

.code-view {
  width: 245px;
  font-size: 14px;
}