.md-header {
  background: linear-gradient(
    90deg,
    rgba(2, 0, 36, 1) 0%,
    rgba(9, 9, 121, 1) 100%,
    rgba(0, 212, 255, 1) 100%
  );
  padding: 10px;
}


.md-header__button .md-logo img{
   width: 50px;
   height: 50px;
}