.sendform_result_form {
  display: none;  
}
.sendform_result_form.active {
  display: block;  
}
.sendform_result_form {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2222222;
    
} 

.sendform_result_form span{
   background: #4cda00;
    border: 1px solid #ececec;
    padding: 20px;
    font-size: 26px;
    border-radius: 10px;
    color: #fff;
}