#boton {
  position: absolute;
  bottom: 18px;
  right: 20px;
}
.btn-circle {
  width: 30px;
  height: 30px;
  text-align: center;
  padding: 6px 0;
  font-size: 15px;
  border-radius: 15px;
}
.btn-circle {
    box-shadow: 0 2px 0 0 #636362 !important;
}
.btn-circle {
    color: #fff !important;
    background-color: #636362 !important;
    border-color: #46b8da !important;
}

.btn-circle:hover {
    color: #636362 !important;
    background-color: #fff !important;
    border-color: #46b8da !important;
}

.btn-circle:focus {
    color: #636362 !important;
    background-color: #fff !important;
    border-color: #46b8da !important;
}
.contentButton {float: relative;}
.popover-content {
    font-size: 12px;
}

a 
{   
 text-decoration:none;   
}