body{
  position: relative;
  height: 100vh;
  text-align: center;
}

div#form-dialog{
  position: absolute;
  width: 60%;
  max-width: 700px;
  min-width: 400px;
  top: 50%;
  left: 50%;
  transform: translateY(-50%) translateX(-50%);
  -webkit-transform: translateY(-50%) translateX(-50%);

  background: rgb(209 243 204);
  border: 1px solid black ;
  border-radius: 10px;
}

div.main_err{
  position: absolute;
  width: 100%;
  margin-top: 5px;
  vertical-align: middle;
  color: #ff0000;
}

div.input-block{
  height: 40px;
  margin: 50px auto 0px auto;
}

div.input-box{
  margin: 0 10px;
  display: -webkit-inline-box;
  background: lightgrey;
  border: 1px solid rgb(130,130,130);
  border-radius: 5px;
}

span.title{
  padding: 0 15px;
  font-size: 18px;
  color: rgb(66, 66, 66);
  vertical-align: middle;
}

input.textbox{
  width: 200px;
  padding-left: 4px;
  margin: 2px;
  font-size: 18px;
  border: 1px solid rgb(130,130,130);
  border-radius: 5px;
}:focus {
  outline: none;
}

div.input_err{
  font-size: 10px;
  color: #ff0000;
}

input.back,input.login{
  height: 33px;
  padding: 0px 25px;
  color: white;
  font-size: 19px;
  border: solid 0px;
  border-radius: 100vh;
  box-shadow: 6px 6px 15px rgb(0,0,0,0.3);
  cursor: pointer;
}

input.back{
  margin-right: 70px;
  background: rgb(226,114,9);
}

input.login{
  background: rgb(71,196,65);
}

p.caution_text{
  font-size: 11px;
}