.footer {
  width: 100%;
  height: 120px;
  padding: 20px 0;
  background-color: #919191;
}
.footer .ioc {
  width: 150px;
  height: 50px;
  border-radius: 10px;
  margin: 0 auto;
  background: url('../img/foot-logo.png') no-repeat center;
}
.footer h1 {
  text-align: center;
  color: #4a585f;
  font-size: 5px;
}
.footer h1:nth-child(2) {
  margin-top: 5px;
  margin-bottom: 0.5px;
}
.footer h1 a {
  color: #4a585f;
  font-size: 16px;
}
.footer h1 b {
  color: #4a585f;
  font-size: 15px;
}