@media screen and (max-width: 1100px),screen and (max-height: 550px) {
  html {
      background: none;
  }
}

html {
  background: url('../image/logo@2x.png');
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-position: right bottom;
}

.logo {
  position: fixed;
  right: 0;
  bottom: 0;
}

.svg {
  position: absolute;
  top: 30%;
  left: 50%;
  width: 516px;
  user-select: none;
  transform: translate(-258px, 0);
}