.img_header{
	width:70vw;
	min-height:220px;
}

.header_area{
		position: relative;
	}

@media screen and (max-width:1081px){
  .img_header { 
		width: 100%; 
		min-height:220px;
		min-width:540px;
}
  
  #header_area{
		position: relative;
	}
}