body,html {
height: 100%; margin: 0px; padding: 0px; text-align: center;
font-family: Arial, Helvetica, sans-serif;
}

.info {
  font-size: 13px;
  text-align: center;
}
.m1 {
  font-size: 14px;
  width: 50px;
  text-align: center;
  text-decoration: underline;
  color: blue;
  cursor: pointer;
}
.m0 {
  font-size: 14px;
  text-align: center;
}

.alert {
  display: none;
  position: absolute;
  top: 320px;
  left: 330px;
  width: 280px;
  background-color: white;
  font-size: 14px;
  border-style: solid;
  border-width: 2px;
  padding: 10px 20px 15px 20px;
}