body {
    background-color:black;
    font-size:30px;
    font-family:verdana;
}

#errdlg {
    margin-top:5%;
    margin-left:10%;
    margin-right:10%;
    border-color:yellow;
    border-radius: 30px;
    border-width: 5px;
    border-style:solid;
    height:80%;
    background-color: black;
    color:yellow;
}
#errftn {
    font-size:20px;
    position:reative;
    top:200px;
    padding:30px;
}

h3 {
    padding:30px;
}

#ok {
    position:relative;
    left:850px;
    bottom:30px;
    width:100px;
}

p {
    padding:30px;
    font-size:30px;
}

.tooltip {
  position: relative;
  display: inline-block;
}

.tooltip .tooltiptext {
  visibility: hidden;
  width: 120px;
  background-color: #555;
  color: #fff;
  text-align: center;
  border-radius: 60px;
  padding: 15px;
  position: absolute;
  z-index: 1;
  bottom: 125%;
  left: 850px;
  opacity: 0;
  transition: opacity 0.3s;
}

.tooltip .tooltiptext::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  margin-left: -5px;
  border-width: 5px;
  border-style: solid;
  border-color: #555 transparent transparent transparent;
}

.tooltip:hover .tooltiptext {
  visibility: visible;
  opacity: 1;
}