.scroll_obal {
	 position: relative;  
	 overflow: auto;  
	 width:auto; 
	 height: calc(100vh - 300px);
}

.scroll {
	display: -webkit-flex; height: 100%;
    display: flex; 
}

.scroll_left {
	display: inline-block;
    vertical-align: top;
    width:400px;
    float:left;
    height: 100%;
    overflow-y: scroll; 
    overflow-x: scroll;  
    overflow-y: hidden;
 
}

.scroll_right {
	-webkit-flex: 1;
    flex: 1; 
    height: 100%;
    float:left; 
    overflow-y: auto;
  
}

.scroll_th {
	position: sticky;top: -1px;
}