@media (max-width: 992px) {
  .logo-otaku {
      width: 70%;
      margin-bottom: 1%;
  }
}

@media (min-width: 993px) {
  .logo-otaku {
      width: 60%;
      margin-top: -6%;
  }
}

.logo-otaku {
    display: block; 
    margin-left: auto; 
    margin-right: auto; 
}