Follow This.

beetube/functions.php------> Line Number 1897 Remove

"Items" Word from sentence "Load More Items"

Or 
-----------------------------------------
beetube/css/Dashboard.css Line number 273    
.jw-infinite-scroll{
width:530px;
height:44px;
margin:0 auto;
}
Replace With

.jw-infinite-scroll {
    height: 44px;
    margin: 0 auto;
    width: 541px;
    }
    
Dashboard.css Line number 278
.jw-infinite-scroll a.btn{
background-color:#f1f1f1;
color:#999999;
border:none;
padding:13px 200px;
}
Replace with 

.jw-infinite-scroll a.btn {
    background-color: #f1f1f1;
    border: medium none;
    color: #999999;
    padding: 20px 205px;
    }