body {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  background-color: #f5f7ff;
  font-family: Arial, Helvetica, sans-serif;
}

.container_code {
  height: 100vh;
  width: 100vw;
}

.container_code {
  display: flex;
  justify-content: center;
  align-items: center;
}

.container_child {
  background-color: #ffffff;
  padding: 10px;
}

.select_server {
  display: flex;
  align-items: center;
  margin-bottom: 10px;
}

.select_server div {
  margin-right: 10px;
}

.select_server select {
  outline: none;
  padding: 7px 2px;
  font-size: 15px;
  border: 2px dashed #dc3545;
}

input {
  outline: none;
  padding: 7px 5px;
  border: 2px dashed #007bff;
  font-size: 15px;
  margin-left: 5px;
}

li {
  margin: 10px 0px;
}

.container_child_title {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-weight: 600;
  color: #007bff;
}

.container_child_title img {
  width: 100px;
  height: 100px;
}

.container_child_title p {
  margin: 10px;
  text-align: center;
}

a {
  text-decoration: none;
  color: #007bff;
}

.btn_submit_container {
  margin-top: 15px;
  display: flex;
  justify-content: center;
}

.btn_submit,
.btn_copy {
  padding: 5px 10px;
  color: #ffffff;
  cursor: pointer;
  border-radius: 5px;
}
.btn_submit {
  background-color: #28a745;
}

.btn_copy {
  background-color: #007bff;
}

.result_code {
  display: flex;
  justify-content: center;
  align-items: center;
}

.resutl_text {
  border: 2px dashed #28a745;
  padding: 5px;
  margin-right: 10px;
}

.txt_code {
  color: #dc3545;
  font-weight: 600;
}

.btn_submit:hover {
  background-color: #dc3545;
}

.btn_copy:hover {
  background-color: #28a745;
}

.message_container {
  position: relative;
}

.black_background {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgb(0, 0, 0, 0.2);
}

.message {
  position: fixed;
  width: 300px;
  background-color: #fff;
  top: 50%;
  left: 50%;
  z-index: 10000;
  transform: translateX(-50%) translateY(-50%);
  box-shadow: 5px 5px 10px rgb(0, 0, 0, 0.2);
  border-radius: 10px;
}

.message_top {
  background-color: #2dd284;
  height: 100px;
  position: relative;
  border-top-left-radius: 10px;
  border-top-right-radius: 10px;
}

.message_top .alert_close:hover {
  color: #007bff;
}

.message_body .alert_button_success:hover {
  background-color: #007bff;
}

.message_top .alert_close {
  position: absolute;
  top: 10px;
  right: 10px;
  color: #fff;
  cursor: pointer;
  font-weight: 600;
  font-size: 18px;
}

.message_top .alert_img {
  height: 50px;
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 10;
  transform: translateX(-50%) translateY(-50%);
}

.message_body {
  display: flex;
  flex-direction: column;
  padding: 30px 30px;
  text-align: center;
}

.message_body .alert_title {
  font-size: 18px !important;
  font-family: "Open Sans", sans-serif;
  font-weight: 700;
  font-size: 15px;
  margin-bottom: 15px;
  color: #222;
  align-self: center;
}

.message_body .alert_message {
  font-size: 15px !important;
  color: #666;
  font-family: "Open Sans", sans-serif;
  font-weight: 400;
  font-size: 15px;
  text-align: center;
  margin-bottom: 30px;
  line-height: 1.6;
  align-self: center;
}

.message_body .alert_button_success {
  min-width: 140px;
  height: 35px;
  border-radius: 20px;
  font-family: "Open Sans", sans-serif;
  font-weight: 400;
  font-size: 15px;
  color: white;
  border: none;
  cursor: pointer;
  transition: background 0.5s;
  padding: 0 15px;
  align-self: center;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: #2dd284;
}

.alert_title {
  line-height: 30px;
}

.hidden_div {
  display: none;
}


.timer_code{
  text-align: center;
  margin-top: 12px;
}

#time_number{
    border: 1px solid blue;
    padding: 3px;
    border-radius: 50%;
    color: #dc3545;
    font-weight: bold;
}

#time_text_last{
  margin-top: 10px;
}