<div class="mdl-demo mdl-color--grey-100 mdl-color-text--grey-700 mdl-base">
  <div class="mdl-layout mdl-js-layout mdl-layout--fixed-header">
    <header class="mdl-layout__header mdl-layout__header--scroll mdl-color--primary">
      <div class="mdl-layout--fixed-header mdl-layout__header-row">
        <h3>URL Shortening App</h3>
        <i style="font-size: 15px;padding: 0px 20px;margin-top: 5px;">Easiest way to shorten URL using cutom text</i>
      </div>
      <div class="mdl-layout_tab-bar mdl-js-ripple-effect mdl-color--primary-dark">
      </div>
    </header>
    <main class="mdl-layout__content">
      <div class="mdl-layout__tab-panel is-active" id="overview">
        <section style='position:relative' class="section--center mdl-grid mdl-grid--no-spacing mdl-shadow--2dp">
          <div class="mdl-card mdl-cell mdl-cell--12-col">
            <div class="mdl-card__supporting-text">
              <form class="shorturl" method="post" autocomplete="off">
                <div class="mdl-textfield mdl-js-textfield mdl-textfield--floating-label">
                  <input class="mdl-textfield__input" type="url" id="url" data-required="true" pattern="https?://.+">
                  <label class="mdl-textfield__label" for="sample3">URL(http://example.com)</label>
                </div>
                <div class="mdl-textfield mdl-js-textfield mdl-textfield--floating-label">
                  <input class="mdl-textfield__input" type="text" id="text" data-required="true">
                  <label class="mdl-textfield__label" for="sample3">Text</label>
                </div>
                <div>
                  <button type="submit" class="mdl-button mdl-js-button mdl-button--raised mdl-js-ripple-effect mdl-button--colored">COnvert</button>
                  <div class="mdl-spinner mdl-js-spinner is-active"></div>
                  <div class="success-help"></div>
                </div>
              </form>
            </div>
          </div>
        </section>
      </div>
    </main>
  </div>
</div>
@import url('https://fonts.googleapis.com/css?family=Roboto:400,500,700');
@font-face {
  font-family: 'Material Icons';
  font-style: normal;
  font-weight: 400;
  src: local('Material Icons'),
    local('MaterialIcons-Regular'),
    url(https://fonts.gstatic.com/s/materialicons/v22/2fcrYFNaTjcS6g4U3t-Y5ZjZjT5FdEJ140U2DJYC3mY.woff2)
      format('woff2');
}
.mdl-textfield {
  width: 100%;
}
.material-icons {
  font-family: 'Material Icons';
  font-weight: normal;
  font-style: normal;
  font-size: 24px;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  -webkit-font-feature-settings: 'liga';
  -webkit-font-smoothing: antialiased;
}

html, body {
  font-family: 'Roboto', 'Helvetica', sans-serif;
  margin: 0;
  padding: 0;
}
.mdl-demo .mdl-layout__header-row {
  padding: 40px 0px 40px 20px;
  font-size: 30px;
}
.mdl-demo .mdl-layout.is-small-screen .mdl-layout__header-row h3 {
  font-size: inherit;
}
.mdl-demo .mdl-layout__tab-bar-button {
  display: none;
}
.mdl-demo .mdl-layout.is-small-screen .mdl-layout__tab-bar .mdl-button {
  display: none;
}
.mdl-demo .mdl-layout:not(.is-small-screen) .mdl-layout__tab-bar,
.mdl-demo .mdl-layout:not(.is-small-screen) .mdl-layout__tab-bar-container {
  overflow: visible;
}
.mdl-demo .mdl-layout__tab-bar-container {
  height: 64px;
}
.mdl-demo .mdl-layout__tab-bar {
  padding: 0;
  padding-left: 16px;
  box-sizing: border-box;
  height: 100%;
  width: 100%;
}
.mdl-demo .mdl-layout__tab-bar .mdl-layout__tab {
  height: 64px;
  line-height: 64px;
}
.mdl-demo .mdl-layout__tab-bar .mdl-layout__tab.is-active::after {
  background-color: white;
  height: 4px;
}
.mdl-demo main > .mdl-layout__tab-panel {
  padding: 8px;
  padding-top: 48px;
}
.mdl-demo .mdl-card {
  height: auto;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-flex-direction: column;
  -ms-flex-direction: column;
  flex-direction: column;
}
.mdl-demo .mdl-card > * {
  height: auto;
}
.mdl-demo .mdl-card .mdl-card__supporting-text {
  margin: 40px;
  -webkit-flex-grow: 1;
  -ms-flex-positive: 1;
  flex-grow: 1;
  padding: 0;
  color: inherit;
  width: calc(100% - 80px);
}
.mdl-demo.mdl-demo .mdl-card__supporting-text h4 {
  margin-top: 0;
  margin-bottom: 20px;
}
.mdl-demo .mdl-card__actions {
  margin: 0;
  padding: 4px 40px;
  color: inherit;
}
.mdl-demo .mdl-card__actions a {
  color: #00BCD4;
  margin: 0;
}
.mdl-demo .mdl-card__actions a:hover, .mdl-demo .mdl-card__actions a:active {
  color: inherit;
  background-color: transparent;
}
.mdl-demo .mdl-card__supporting-text + .mdl-card__actions {
  border-top: 1px solid rgba(0, 0, 0, 0.12);
}
.mdl-demo #add {
  position: absolute;
  right: 40px;
  top: 36px;
  z-index: 999;
}

.mdl-demo .mdl-layout__content section:not(:last-of-type) {
  position: relative;
  margin-bottom: 48px;
}
.mdl-demo section.section--center {
  max-width: 860px;
}
.mdl-demo #features section.section--center {
  max-width: 620px;
}
.mdl-demo section > header {
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-align-items: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center;
}
.mdl-demo section > .section__play-btn {
  min-height: 200px;
}
.mdl-demo section > header > .material-icons {
  font-size: 3rem;
}
.mdl-demo section > button {
  position: absolute;
  z-index: 99;
  top: 8px;
  right: 8px;
}
.mdl-demo section .section__circle {
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-align-items: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-justify-content: flex-start;
  -ms-flex-pack: start;
  justify-content: flex-start;
  -webkit-flex-grow: 0;
  -ms-flex-positive: 0;
  flex-grow: 0;
  -webkit-flex-shrink: 1;
  -ms-flex-negative: 1;
  flex-shrink: 1;
}
.mdl-demo section .section__text {
  -webkit-flex-grow: 1;
  -ms-flex-positive: 1;
  flex-grow: 1;
  -webkit-flex-shrink: 0;
  -ms-flex-negative: 0;
  flex-shrink: 0;
  padding-top: 8px;
}
.mdl-demo section .section__text h5 {
  font-size: inherit;
  margin: 0;
  margin-bottom: 0.5em;
}
.mdl-demo section .section__text a {
  text-decoration: none;
}
.mdl-demo section .section__circle-container
  > .section__circle-container__circle {
  width: 64px;
  height: 64px;
  border-radius: 32px;
  margin: 8px 0;
}
.mdl-demo section.section--footer .section__circle--big {
  width: 100px;
  height: 100px;
  border-radius: 50px;
  margin: 8px 32px;
}
.mdl-demo .is-small-screen section.section--footer .section__circle--big {
  width: 50px;
  height: 50px;
  border-radius: 25px;
  margin: 8px 16px;
}
.mdl-demo section.section--footer {
  padding: 64px 0;
  margin: 0 -8px -8px -8px;
}
.mdl-demo section.section--center .section__text:not(:last-child) {
  border-bottom: 1px solid rgba(0, 0, 0, .13);
}
.mdl-demo .mdl-card .mdl-card__supporting-text > h3:first-child {
  margin-bottom: 24px;
}
.mdl-demo .mdl-layout__tab-panel:not(#overview) {
  background-color: white;
}
.mdl-demo #features section {
  margin-bottom: 72px;
}
.mdl-demo #features h4, #features h5 {
  margin-bottom: 16px;
}
.mdl-demo .toc {
  border-left: 4px solid #C1EEF4;
  margin: 24px;
  padding: 0;
  padding-left: 8px;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-flex-direction: column;
  -ms-flex-direction: column;
  flex-direction: column;
}
.mdl-demo .toc h4 {
  font-size: 0.9rem;
  margin-top: 0;
}
.mdl-demo .toc a {
  color: #4DD0E1;
  text-decoration: none;
  font-size: 16px;
  line-height: 28px;
  display: block;
}
.mdl-demo .mdl-menu__container {
  z-index: 99;
}
.success-help {
  padding: 15px 0px;
  vertical-align: 0px;
  display: none;
  font-size: 16px;
  color: #444;
}

.mdl-spinner {
  vertical-align: middle;
  margin: 0px 10px;
  display: none;
}
$(function() {
  ["url", "text"].forEach(function(field) {
    $("#" + field).attr("required", true);
    $("#" + field).focus(function() {
      $(".success-help").fadeOut("fast");
    });
  });

  $(".shorturl").submit(function(e) {
    $(".mdl-spinner").fadeIn("slow").css("display", "inline-block");
    e.preventDefault();
    var baseUrl = "https://mybench-minifyurl.backbench.io/"
    var url = $("#url").val();
    var text = $("#text").val();
    $.ajax({
      url: "https://mybench-minifyurl.backbench.io/",
      data: {
        url: url,
        short_url: text
      },
      error: function(jqXHR, textStatus, errorThrown) {
        $(".mdl-spinner").fadeOut("fast");
        if (jqXHR.status == 409) {
          $(".success-help")
            .html(
              "<i>" + text + "</i> is already taken, please use another text!"
            )
            .fadeIn("slow");
        } else {
          $(".success-help").html("An error has occurred").fadeIn("slow");
        }
      },
      success: function(data) {
        $(".mdl-spinner").fadeOut("fast");
        ["url", "text"].forEach(function(field) {
          $("#" + field).val("");
        });
        $(".success-help").html('Your custom URL is ready. <a class="mylink" target="_blank" href='+baseUrl+text+'>'+baseUrl+text+'</a>').fadeIn("slow");
      },
      type: "POST"
    });
  });
});

External CSS

  1. https://code.getmdl.io/1.3.0/material.deep_purple-pink.min.css

External JavaScript

  1. https://cdnjs.cloudflare.com/ajax/libs/jquery/3.1.1/jquery.min.js
  2. https://code.getmdl.io/1.3.0/material.min.js