/*****************************/
/* MESSAGE BOX RELATED CLASS */
/*          (START)          */
/*****************************/
/* copied from https://codepen.io/takaneichinose/pen/eZoZxv */

.msgbox-area {
  font-family: sans-serif;
  max-height: 100%;
  position: fixed;
  bottom: 100px;
  left: 20px;
  right: 20px;
  z-index: 100;
}
.msgbox-area .msgbox-box {
  font-size: 16px;
  line-height: 18px;
  color: #ffffff;
  background-color: rgba(0, 0, 0, 0.8);
  padding: 18px 20px;
  margin: 0 0 15px;
  display: -webkit-box;
  display: flex;
  -webkit-box-align: center;
          align-items: center;
  position: relative;
  border-radius: 12px;
  box-shadow: 0 10px 15px rgba(0, 0, 0, 0.65);
  -webkit-transition: opacity 300ms ease-in;
  transition: opacity 300ms ease-in;
}
.msgbox-area .msgbox-box.msgbox-box-hide {
  opacity: 0;
}
.msgbox-area .msgbox-box:last-child {
  margin: 0;
}
.msgbox-area .msgbox-content {
  flex-shrink: 1;
}
.msgbox-area .msgbox-close {
  color: #ffffff;
  font-weight: bold;
  text-decoration: none;
  margin: 0 0 0 10px;
  -webkit-box-flex: 0;
          flex-grow: 0;
  flex-shrink: 0;
  position: relative;
  -webkit-transition: text-shadow 225ms ease-out;
  transition: text-shadow 225ms ease-out;
}
.msgbox-area .msgbox-close:hover {
  text-shadow: 0 0 10px #1485ff;
}

@media (min-width: 768px) {
  .msgbox-area {
    width: 480px;
    position: fixed;
    bottom: 100px;
    left: auto;
    right: 15px;
  }
}