body {
  background-image: url(jazzundpop2.png);
  background-attachment: fixed, scroll;
  background-repeat: repeat;
  background-size: 100% 230%;
}

.brain {
  background-image: url(brain.gif);
  position: absolute;
  z-index: 1;
  margin-top: 80px;
  margin-left: 30px;
  width: 250px;
  height: 550px;
}

.brain2 {
  background-image: url(brain.gif);
  position: absolute;
  z-index: 1;
  margin-top: 80px;
  margin-left: 1150px;
  width: 250px;
  height: 550px;
}

.applecar {
  background-image: url(https://artwork.neocities.org/toybox/mine/lowlygif.gif);
}
 
.blog-button:hover {
    content: url('button_blog_off.png');
}

.about-button:hover {
    content: url('button_about_off.png');
}