Add choices.js@2.8.6 w/ npm auto-update

close cdnjs#8927, close cdnjs#11540, cc cdnjs#11170, cc @jshjohnson

ajax/libs/choices.js/2.8.6/styles/css/base.css

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+/*=============================================
+=            Generic styling                  =
+=============================================*/
+* {
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+}
+
+*, *:before, *:after {
+  box-sizing: border-box;
+}
+
+html, body {
+  position: relative;
+  margin: 0;
+  width: 100%;
+  height: 100%;
+}
+
+body {
+  font-family: "Helvetica Neue", Helvetica, Arial, "Lucida Grande", sans-serif;
+  font-size: 16px;
+  line-height: 1.4;
+  color: #FFFFFF;
+  background-color: #333;
+  overflow-x: hidden;
+}
+
+label {
+  display: block;
+  margin-bottom: 8px;
+  font-size: 14px;
+  font-weight: 500;
+  cursor: pointer;
+}
+
+p {
+  margin-top: 0;
+}
+
+hr {
+  display: block;
+  margin: 36px 0;
+  border: 0;
+  border-bottom: 1px solid #eaeaea;
+  height: 1px;
+}
+
+h1, h2, h3, h4, h5, h6 {
+  margin-top: 0;
+  margin-bottom: 12px;
+  font-weight: 400;
+  line-height: 1.2;
+}
+
+a, a:visited, a:focus {
+  color: #FFFFFF;
+  text-decoration: none;
+  font-weight: 600;
+}
+
+.form-control {
+  display: block;
+  width: 100%;
+  background-color: #f9f9f9;
+  padding: 12px;
+  border: 1px solid #ddd;
+  border-radius: 2.5px;
+  font-size: 14px;
+  -webkit-appearance: none;
+  -moz-appearance: none;
+       appearance: none;
+  margin-bottom: 24px;
+}
+
+h1, .h1 {
+  font-size: 32px;
+}
+
+h2, .h2 {
+  font-size: 24px;
+}
+
+h3, .h3 {
+  font-size: 20px;
+}
+
+h4, .h4 {
+  font-size: 18px;
+}
+
+h5, .h5 {
+  font-size: 16px;
+}
+
+h6, .h6 {
+  font-size: 14px;
+}
+
+.container {
+  display: block;
+  margin: auto;
+  max-width: 40em;
+  padding: 48px;
+}
+
+@media (max-width: 620px) {
+  .container {
+    padding: 0;
+  }
+}
+
+.section {
+  background-color: #FFFFFF;
+  padding: 24px;
+  color: #333;
+}
+
+.section a, .section a:visited, .section a:focus {
+  color: #00bcd4;
+}
+
+.logo {
+  display: block;
+  margin-bottom: 12px;
+}
+
+.logo__img {
+  width: 100%;
+  height: auto;
+  display: inline-block;
+  max-width: 100%;
+  vertical-align: top;
+  padding: 6px 0;
+}
+
+.visible-ie {
+  display: none;
+}
+
+.zero-bottom {
+  margin-bottom: 0;
+}
+
+.zero-top {
+  margin-top: 0;
+}
+
+/*=====  End of Section comment block  ======*/