#overlay{
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1;
}
.alert-box{
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: white;
  padding: 20px;
  padding-top: 10px;
  text-align: center;
  z-index: 2;
  font-weight: bold;
}
.alert-ok-button{
  margin-top: 5px;
  height: 24px;
  background-color: #ddd;
  color: deepskyblue;
  font-weight: bold;
  font-size: 15px;
  width: 75px;
  border-width: 0px;
}
.error-box{
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: rgba(255, 0, 0, 0.1);
  padding: 20px;
  padding-top: 10px;
  text-align: center;
  z-index: 2;
  font-weight: normal;
  color: red;
}
.error-ok-button{
  margin-top: 5px;
  height: 24px;
  background-color: #ddd;
  color: deepskyblue;
  font-weight: bold;
  font-size: 15px;
  width: 75px;
  border-width: 0px;
}
.warn-box{
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: rgba(255, 255, 0, 0.3);
  padding: 20px;
  padding-top: 10px;
  text-align: center;
  z-index: 2;
  font-weight: normal;
  color: gold;
}
.warn-ok-button{
  margin-top: 5px;
  height: 24px;
  background-color: #ddd;
  color: deepskyblue;
  font-weight: bold;
  font-size: 15px;
  width: 75px;
  border-width: 0px;
}
.prompt-box{
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: white;
  padding: 20px;
  padding-top: 10px;
  text-align: center;
  z-index: 2;
  font-weight: normal;
  color: black;
}
.prompt-ok-button{
  margin-top: 5px;
  height: 24px;
  background-color: white;
  color: deepskyblue;
  font-weight: bold;
  font-size: 15px;
  width: 75px;
  border-width: 0px;
}
.prompt-cancel-button{
  margin-top: 5px;
  height: 24px;
  background-color: white;
  color: deepskyblue;
  font-weight: bold;
  font-size: 15px;
  width: 75px;
  border-width: 0px;
}
.prompt-box> label{
  margin-left: -10px;
}
#prompt-input{
  width: 60px;
  margin-left: 5px;
  border-width: 0px;
  border-bottom-width: 2px;
}
#prompt-input:focus{
  border-color: deepskyblue;
}
.container{
  width: 100%;
}