.m-modal {
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: none;
  justify-content: center;
  align-items: center;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 99999;
}

.modal-box{
    margin: 40% auto;
    width: 90%;
    padding: 20px 20px 40px;
    background-color: var(--white);
    border-radius:16px;
    display: grid;
    text-align: center;
}

.modal-box .title{
  margin: 10px auto 20px;
  font-size: 24px;
  text-align: center;
}

.modal-box .description{
  font-size: 16px;
}

.modal-close{
  justify-self: flex-end;
  padding: 0px 8px;
  border: 1px solid;
  border-radius: 20px;
  cursor: pointer;
  -webkit-border-radius: 20px;
  -moz-border-radius: 20px;
  -ms-border-radius: 20px;
  -o-border-radius: 20px;
}

@media (min-width:768px){
  .modal-box{
    margin: 15% auto;
    max-width: 620px;
  }

  .modal-box .title {
    font-size: 28px;
  }

  .modal-box .description{
    margin: 0 auto;
    width: 90%;
    font-size: 18px;
  }
}