.tymargin {
  margin-left: 15px;
  margin-right: 15px;
}

.contact-qq {
  position: fixed;
  cursor: pointer;
  z-index: 99999;
  right: 20px;
  bottom: 0px;
  width: 200px;
  height: 160px;
  color: lightblue;
}

.contact-qq :hover {
  border: 1px dotted #108ee9;
  box-shadow: 0 4px 16px 0 rgba(97, 131, 155, .2);
}

.soft-help {
  text-decoration: underline;
  color: darkgray;
}