@media screen and (max-width:640px) {
  .modal-body{width: 90%;}
  .drom2{width: 100%;float: left;}
  .drom3{width: 100%;float: left;}
  .drom4{width: 100%;float: left;}
  .drom1{width: 100%;float: left;}
  .drom5{width: 100%;float: left;}
  .drom6{width: 100%;float: left;}
  .drom7{width: 100%;float: left;}
  .drom8{width: 100%;float: left;}
  .drom9{width: 100%;float: left;}
  .drom10{width: 100%;float: left;}
  .drom11{width: 100%;float: left;}
  .drom12{width: 8.33%;float: left;}
  .drom13{width: 100%;float: left;}
  .ajustable{width: 50%;float: left;}

}
@media screen and (max-width:900px) and (min-width:640px) {
  .modal-body{width: 90%;}
  .drom2{width: 100%;float: left;}
  .drom3{width: 100%;float: left;}
  .drom4{width: 100%;float: left;}
  .drom1{width: 100%;float: left;}
  .drom5{width: 100%;float: left;}
  .drom6{width: 100%;float: left;}
  .drom7{width: 100%;float: left;}
  .drom8{width: 100%;float: left;}
  .drom9{width: 100%;float: left;}
  .drom10{width: 100%;float: left;}
  .drom11{width: 100%;float: left;}
  .drom20{width: 100%;float: left;}
  .drom12{width: 8.33%;float: left;}
  .drom13{width: 100%;float: left;}
  .ajustable{width: 100%;float: left;}
}
@media screen and (min-width:900px) {
  .modal-body{width: 90%;}
  .drom2{width: 49.5%;float: left !important; }
  .drom3{width: 33%;float: left !important; }
  .drom4{width: 24%;float: left !important; }
  .drom1{width: 100%;float: left !important; }
  .drom5{width: 19.8%;float: left !important; }
  .drom6{width: 16.6%;float: left !important; }
  .drom7{width: 14.1%;float: left !important; }
  .drom8{width: 12.5%;float: left !important; }
  .drom9{width: 11.11%;float: left !important; }
  .drom10{width: 10%;float: left !important; }
  .drom11{width: 80%;float: left!important; } /*  SE COLOCA CON 5 */
  .drom12{width: 8.33%;float: left;}
  .drom13{width: 65%;float: left;}/*  SE COLOCA CON 3 */
}
.wfloat{
position:fixed;
width:60px;
height:60px;
bottom:80px;
right:10px;
background-color:#25d366;
color:#FFF;
border-radius:50px;
text-align:center;
font-size:30px;
box-shadow: 2px 2px 3px #999;
z-index:100;
}
.wfloat:hover {
text-decoration: none;
color: #25d366;
background-color:#fff;
}

.my-wfloat{
margin-top:16px;
}