CMS Login 2

by marusti

HTML

<div class="flexcontainer">
  <form id="admin-login" action="#">
    <div class="form-header">Login </div>
    <img class="login-logo" src="https://via.placeholder.com/200">
    <input type="text" id="username" placeholder="Username">
    <input type="text" id="password" placeholder="Passwort">
    <input type="submit" id="submit" value="Login">
  </form>
</div>

CSS

@import url('https://fonts.googleapis.com/css?family=Open+Sans');
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0
}

html,
body {
  height: 100%;
}

body {
  font-family: 'Open Sans', sans-serif;
  font-size: 16px;
  color: #333;
}

.flexcontainer {
  display: -webkit-flex;
  display: flex;
  -webkit-flex-direction: row;
  flex-direction: row;
  -webkit-align-items: center;
  align-items: center;
  -webkit-justify-content: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

form {
  display: -webkit-flex;
  display: flex;
  -webkit-flex-direction: column;
  flex-direction: column;
  border: 1px solid #ccc;
  border-radius: 4px;
  width: 90%
}

form>* {
  padding: 1em
}

input {
  font-family: 'Open Sans', sans-serif;
  font-size: 16px;
  color: #333;
  margin: 1em;
  border: 1px solid #ccc;
  border-radius: 4px;
}

input:focus {
  outline: none !important;
  border: 1px solid #333
}

input[type=submit] {
  background-color: #fff;
  width: 30%;
  margin: 0 auto 1em auto
}

input[type=submit]:enabled {
  opacity: 1;
}

input[type=submit]:disabled {
  opacity: .1;
}

.form-header {
  text-align: center;
  font-weight: 700;
  background: #34495e;
  color: #f9f9f9;
}

.login-logo {
  display: block;
  margin: 0 auto;
  border-radius: 50%
}

img {
  max-width: 100%;
  height: auto
}

/**
 * ----------------------------------------
 * animation scale-up-center
 * ----------------------------------------
 */

@-webkit-keyframes scale-up-center {
  0% {
    -webkit-transform: scale(0.5);
    transform: scale(0.5);
  }
  100% {
    -webkit-transform: scale(1);
    transform: scale(1);
  }
}

@keyframes scale-up-center {
  0% {
    -webkit-transform: scale(0.5);
    transform: scale(0.5);
  }
  100% {
    -webkit-transform: scale(1);
    transform: scale(1);
  }
}

@media only screen and (min-width: 768px) {
  form {
    width: 50%;
  }
}

@media only screen and (min-width: 1200px) {
  form {
    width: 30%;
  }
}

JavaScript

$(document).ready(function() {
    $('#admin-login [type="submit"]').prop('disabled', true);

    $('#username, #password').keyup(function() {
      var disable = false;

      $('#username, #password').each(function() {
        if ($(this).val() == '') {
          disable = true
        };
      });

      $('#admin-login [type="submit"]').prop('disabled', disable);
    });
  });