.modal_flat_background { background-color: #000; opacity: 0.7; }
.modal_flat_main { border: 1px solid #333; box-shadow: 0px 0px 15px -2px rgba(0,0,0,0.75);  }

/* font size only */
.modal_flat_main, .modal_flat_main input, .modal_flat_main button {  font-size: 16px; }

.modal_flat_main input, .modal_flat_main button {  padding: 5px; box-sizing: border-box; }
.modal_flat_inner { padding: 30px; background: #fff; color: #000; }
.modal_flat_content { margin: 20px 0px;}
.modal_flat_input { margin: 20px 0px;}
.modal_flat_buttons { margin-top: 40px; }
.modal_flat_main button { background-color: #ccc; color: #000; padding: 10px 20px; border: 0px; cursor: pointer; outline: none; width: 100px;  }