.videohero { 
  max-width: 100%;
  margin-top: -450px;
}

.teks-network { 
  margin-right: 50px;
}

.video-network { 
    max-width: 100%;
    margin-top: 10px;
    margin-left: -140px;
  } 

@media (max-width: 1200px) {
  
  .video-network { 
    margin-left: 25px;
  } 

  .teks-network { 
    margin-right: 5px;
  }

}