#dropinboxv1cover{
   width: 1270px; /*change width to desired */
height: 120px;  /*change height to desired. REMOVE if you wish box to be content's natural height */
position:absolute; /*Don't change below 4 rules*/
z-index: 100;
overflow:hidden;
visibility: hidden;
}

#dropinboxv1{
   width: 1250px; /*change width to desired-20 */
height: 100px; /*change height to above height-20. REMOVE if you wish box to be content's natural height*/
border: 0px solid black; /*Customize box appearance*/
background-color: lightgreen;
padding: 20px;
position:absolute; /*Don't change below 3 rules */
left: 0;
top: 0;
}

#dropinboxv4cover{
width: 1270px; /*change width to desired */
height: 360px;  /*change height to desired. REMOVE if you wish box to be content's natural height */
position:absolute; /*Don't change below 4 rules*/
z-index: 100;
overflow:hidden;
visibility: hidden;
}

#dropinboxv4{
width: 1250px; /*change width to above width-20. */
height: 340px; /*change height to above height-20. REMOVE if you wish box to be content's natural height*/
border: 0px solid black; /*Customize box appearance*/
background-color: #81FDFD;
padding: 10px;
position:absolute; /*Don't change below 3 rules */
left: 0;
top: 0;
}