<div class="header"></div>

.header {
    min-height: 600px;
  
/*   background: linear-gradient(to left, #ffffff, #00ff00, #ffffff); */
background: 
      linear-gradient(to top, #ffffff50, #00000050, #ffffff50),
      linear-gradient(to left, #ffffff50, #00ff0050, #ffffff50),
      url(http://placehold.it/350x50) 0 0 no-repeat,    
      url(http://placehold.it/350x50) center 70px no-repeat,
      url(http://placehold.it/350x50) 100% 140px no-repeat;
  
}