body
{
  background-color: #000;
}
.center-div{
  position: absolute;
  margin: auto;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  width: 200px;
  height: 300px;
  background-image: url(ms.png);
  background-size: contain;
  background-repeat: no-repeat;
}

.footer {
    width: 100%;
    position: fixed;
    bottom: 0px;
    height: 70px;
}

.footer a {
  float: right;
  margin: 0 50px;
}

.email-icon {
  width: 50px;
  height: 50px;
}


@media only screen and (max-device-width: 600px) {
.center-div{
  width: 350px;
  height: 450px;
}

.footer {
  height: 200px;
}

.footer a {
      margin: 0 75px;
}

.email-icon {
    width: 120px;
    height: 120px;
}

}