.anasayfa{
  z-index:99;
  position: absolute;
  top: 590px;
  margin-left: 350px;
}
.kayitol{
  margin-left: -350px;
  z-index:99;
  position: absolute;
  top: 590px;
}

@media (max-width:1000px) {
  body{
    overflow:auto;
  }
  video{
    float: none!important;
    margin: 0 auto;
    display: block;
    width: 100%;
  }
  img{
    float: none!important;
    margin: 0 auto;
    display: block;
    width: 100%;
  }
  .anasayfa{
    top: 320px;
    margin-left: 150px;
    width: 33%;
  }
  .kayitol{
    top: 320px;
    margin-left: -150px;
    width: 33%;
  }
}