html {
 
  /* 1 */
  -ms-text-size-adjust: 100%;
  /* 2 */
  -webkit-text-size-adjust: 100%;
  /* 2 */
}

 

/**
 * Add the correct display in IE 9-.
 */
article,
aside,
footer,
header,
nav,
section {
  display: block;
}

 

 
figcaption,
figure,
main {
  /* 1 */
  display: block;
}

 
figure {
  margin: 1em 40px;
}

 
hr {
  box-sizing: content-box;
  /* 1 */
  height: 0;
  /* 1 */
  overflow: visible;
  /* 2 */
}

 
pre {
  font-family: monospace, monospace;
  /* 1 */
  font-size: 1em;
  /* 2 */
}

 
a {
  background-color: transparent;
  /* 1 */
  -webkit-text-decoration-skip: objects;
  /* 2 */
}

 
abbr[title] {
  border-bottom: none;
  /* 1 */
  text-decoration: underline;
  /* 2 */
  text-decoration: underline dotted;
  /* 2 */
}

 
 
 
code,
kbd,
samp {
  font-family: monospace, monospace;
  /* 1 */
  font-size: 1em;
  /* 2 */
}
 
dfn {
  font-style: italic;
}

 
mark {
  background-color: #ff0;
  color: #000;
}

 
small {
  font-size: 80%;
}

 
sub,
sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}

sub {
  bottom: -0.25em;
}

sup {
  top: -0.5em;
}

 
audio,
video {
  display: inline-block;
}

 
audio:not([controls]) {
  display: none;
  height: 0;
}

 
img {
  border-style: none;
}

 
svg:not(:root) {
  overflow: hidden;
}

 
button,
input,
optgroup,
select,
textarea {
  font-family: sans-serif;
  /* 1 */
  font-size: 100%;
  /* 1 */
  line-height: 1.15;
  /* 1 */
  margin: 0;
  /* 2 */
}

/**
 * Show the overflow in IE.
 * 1. Show the overflow in Edge.
 */
button,
input {
  /* 1 */
  overflow: visible;
}


button,
select {
  /* 1 */
  text-transform: none;
}


button,
html [type="button"],
[type="reset"],
[type="submit"] {
  -webkit-appearance: button;
  /* 2 */
}


button::-moz-focus-inner,
[type="button"]::-moz-focus-inner,
[type="reset"]::-moz-focus-inner,
[type="submit"]::-moz-focus-inner {
  border-style: none;
  padding: 0;
}


button:-moz-focusring,
[type="button"]:-moz-focusring,
[type="reset"]:-moz-focusring,
[type="submit"]:-moz-focusring {
  outline: 1px dotted ButtonText;
}


fieldset {
  padding: 0.35em 0.75em 0.625em;
}


legend {
  box-sizing: border-box;
  /* 1 */
  color: inherit;
  /* 2 */
  display: table;
  /* 1 */
  max-width: 100%;
  /* 1 */
  padding: 0;
  /* 3 */
  white-space: normal;
  /* 1 */
}


progress {
  display: inline-block;
  /* 1 */
  vertical-align: baseline;
  /* 2 */
}


textarea {
  overflow: auto;
}

 
[type="checkbox"],
[type="radio"] {
  box-sizing: border-box;
  /* 1 */
  padding: 0;
  /* 2 */
}

 
[type="number"]::-webkit-inner-spin-button,
[type="number"]::-webkit-outer-spin-button {
  height: auto;
}

 
[type="search"] {
  -webkit-appearance: textfield;
  /* 1 */
  outline-offset: -2px;
  /* 2 */
}

 
[type="search"]::-webkit-search-cancel-button,
[type="search"]::-webkit-search-decoration {
  -webkit-appearance: none;
}

 
::-webkit-file-upload-button {
  -webkit-appearance: button;
  /* 1 */
  font: inherit;
  /* 2 */
}

 
details,
menu {
  display: block;
}

 
summary {
  display: list-item;
}

 
canvas {
  display: inline-block;
}

 
template {
  display: none;
}

 
[hidden] {
  display: none;
}

*,
*:before,
*:after {
  box-sizing: border-box;
}

 

h1, h2, h3, h4, h5, h6 {
  font-weight: 300;
}

h1 small, h2 small, h3 small, h4 small, h5 small, h6 small {
  font-size: 60%;
}

h1, h2 {
  margin: 0 0 20px 0;
}

h3, h4, h5, h6 {
  margin: 0 0 15px 0;
}

 

h3 {
  font-size:20px;
}

 

p {
  margin: 0 0 15px 0;
}

strong {
  font-weight: 400;
}

.container {
  width: 100%;
  max-width: 1140px;
  margin-right: auto;
  margin-left: auto;
  padding-left: 15px;
  padding-right: 15px;
}

.container:before, .container:after {
  content: " ";
  display: table;
}

.container:after {
  clear: both;
}

.row {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  margin-right: -15px;
  margin-left: -15px;
}

.col-sm-4 {
  position: relative;
  width: 100%;
  padding-left: 15px;
  padding-right: 15px;
  min-height: 1px;
}

@media (min-width: 576px) {
  .col-sm-4 {
    -webkit-box-flex: 0;
        -ms-flex: 0 0 33.333333%;
            flex: 0 0 33.333333%;
    max-width: 33.333333%;
  }
}

.img-fluid {
  max-width:360px;
  height:240px;
  vertical-align: middle;
  border-style: none;
}

.header {
  position: fixed;
  top: 0;
  z-index: 100;
  width: 100%;
  padding: 15px 0;
  color: #fff;
  background-color: #1976D2;
  box-shadow: 0 0 6px 6px rgba(0, 0, 0, 0.1);
}

.logo-text {
  margin: 0;
}

@media (max-width: 767px) {
  .logo-text {
    font-size: 25px;
  }
}

@media (min-width: 768px) {
  .logo-text {
    display: inline-block;
  }
}

.header--links .btn {
  margin: 0;
  margin-top: 7px;
}

.header--links .btn:last-child {
  margin-left: 7px;
}

@media (min-width: 768px) {
  .header--links {
    float: right;
  }
}

.footer {
  padding-top: 15px;
  padding-bottom: 15px;
  font-size: 12px;
  text-align: center;
}

.demo {
  margin-top: 20px;
  margin-bottom: 40px;
}

.demo--intro {
  border-bottom: 1px solid #ddd;
}

.btn {
  display: inline-block;
  text-align: center;
  vertical-align: middle;
  cursor: pointer;
  border: 1px solid #bbb;
  padding: 4px 12px 6px 12px;
  font-size: 18px;
  background-color: #fff;
  border-radius: 4px;
  transition: background-color .3s, color .3s;
}

.btn:hover, .btn:active {
  background-color: #f3f3f3;
}

.btn-white {
  color: #fff;
  border-color: #fff;
  background-color: transparent;
}

.install .btn {
  margin-right: 15px;
  margin-bottom: 15px;
}

pre {
  display: block;
  padding: 10px 15px;
  margin: 0 0 20px 0;
  overflow: auto;
  font-family: 'Cutive Mono', monospace;
  font-size: 14px;
  word-break: break-all;
  word-wrap: break-word;
  background-color: #f3f3f3;
  border: 1px solid #bbb;
  border-radius: 4px;
}