JSFiddle - React, Tailwind, and code Playground

by Florian Gropp

HTML

<button onclick="document.getElementById('id01').style.display='block'" style="width:auto;">Login</button>
<div id="id01" class="modal">
  <form class="modal-content animate" method="post" action="">
    <div class="imgcontainer">
      <span onclick="document.getElementById('id01').style.display='none'" class="close" title="Close Modal">&times;</span>
      <img src="img_avatar2.png" alt="Avatar" class="avatar">
    </div>
    <div class="container">
      <label for="uname"><b>Nutzername</b></label>
      <input type="text" id="uname" class="form-control" placeholder="Benutzername" name="username" required>
      <label for="psw"><b>Password</b></label>
      <input type="password" placeholder="Passwort" id="psw" name="password" class="form-control" required>
      <input type="submit" name="login" class="btn btn-info" value="Login" />
    </div>
    <div class="container" style="background-color:#f1f1f1">
      <button type="button" onclick="document.getElementById('id01').style.display='none'" class="cancelbtn">Cancel</button>
      <span class="psw"><a href="#">Passwort vergessen?</a></span>
    </div>

CSS

/* Full-width input fields */

input[type=text],
input[type=password] {
  width: 100%;
  padding: 12px 20px;
  margin: 8px 0;
  display: inline-block;
  border: 1px solid #ccc;
  box-sizing: border-box;
}


/* Set a style for all buttons */

button {
  background-color: #4CAF50;
  color: white;
  padding: 14px 20px;
  margin: 8px 0;
  border: none;
  cursor: pointer;
  width: 100%;
}

button:hover {
  opacity: 0.8;
}


/* Extra styles for the cancel button */

.cancelbtn {
  width: auto;
  padding: 10px 18px;
  background-color: #f44336;
}


/* Center the image and position the close button */

.imgcontainer {
  text-align: center;
  margin: 24px 0 12px 0;
  position: relative;
}

img.avatar {
  width: 40%;
  border-radius: 50%;
}

.container {
  padding: 16px;
}

span.psw {
  float: right;
  padding-top: 16px;
}


/* The Modal (background) */

.modal {
  display: none;
  /* Hidden by default */
  position: fixed;
  /* Stay in place */
  z-index: 1;
  /* Sit on top */
  left: 0;
  top: 0;
  width: 100%;
  /* Full width */
  height: 100%;
  /* Full height */
  overflow: auto;
  /* Enable scroll if needed */
  background-color: rgb(0, 0, 0);
  /* Fallback color */
  background-color: rgba(0, 0, 0, 0.4);
  /* Black w/ opacity */
  padding-top: 60px;
}


/* Modal Content/Box */

.modal-content {
  background-color: #fefefe;
  margin: 5% auto 15% auto;
  /* 5% from the top, 15% from the bottom and centered */
  border: 1px solid #888;
  width: 80%;
  /* Could be more or less, depending on screen size */
}


/* The Close Button (x) */

.close {
  position: absolute;
  right: 25px;
  top: 0;
  color: #000;
  font-size: 35px;
  font-weight: bold;
}

.close:hover,
.close:focus {
  color: red;
  cursor: pointer;
}


/* Add Zoom Animation */

.animate {
  -webkit-animation: animatezoom 0.6s;
  animation: animatezoom 0.6s
}

@-webkit-keyframes animatezoom {
  from {
    -webkit-transform: scale(0)
  }
  to {
    -webkit-transform: scale(1)
  }
}

@keyframes animatezoom {
 ...

JavaScript

// Get the modal
var modal = document.getElementById('id01');
// When the user clicks anywhere outside of the modal, close it
window.onclick = function(event) {
  if (event.target == modal) {
    modal.style.display = "none";
  }
}