#dropinboxv2cover{
width: 440px; /*change width to desired */
/*change height to desired. REMOVE if you wish box to be content's natural height -height: 260px; */
position:absolute; /*Don't change below 4 rules*/
z-index: 100;
overflow:hidden;
visibility: hidden;
}

#dropinboxv2{
width: 420px; /*change width to above width-20. */
/*change height to above height-20. REMOVE if you wish box to be content's natural height -height: 240px; */
border: 1px solid black; /*Customize box appearance*/
background-color: #B1BFD9;
padding: 4px;
position:absolute; /*Don't change below 3 rules */
left: 0;
top: 0;
}