body{
  background:#000;
}
.logo{
  display:block;
  height: 42.5vh;
/*  width: 42.5vh;*/
  margin-top: 0.5vh;
  margin-left: 0.5vh;
  background-image:url(./logo.svg);
  background-size: 42vh;
  background-repeat:no-repeat;
}