@import url(https://fonts.googleapis.com/css?family=Open+Sans);html {
  font-size: 14px;
  font-family: "Open Sans", sans-serif;
  font-weight: 500;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
}

@media screen and (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

* {
  font-size: 1rem;
  line-height: 1.7rem;
  font-family: "Open Sans", sans-serif;
  font-weight: 500;
}

/* navigation bar */

.navbar-custom {
  background-color: #fab341;
}

.navbar {
  min-height: 3.8rem;
}

.navbar-brand img {
  max-height: 2.2rem;
}

/* change the brand and text color */

.navbar-custom .navbar-brand,
.navbar-custom .navbar-text {
  color: rgba(255, 255, 255, 0.9);
}

/* change the link color */

.navbar-custom .navbar-nav .nav-link {
  color: rgba(255, 255, 255, 0.7);
}

/* no selection and normal border */

.navbar-toggler:focus {
  outline: none;
}

.navbar-toggler {
  border: none;
  background: transparent !important;
}

/* draw icon */

.icon-bar {
  width: 27px;
  height: 3px;
  background-color: #ffffff;
  display: block;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
  margin-top: 4px;
}

/* transform */

.navbar-toggler .top-bar {
  -webkit-transform: rotate(45deg);
          transform: rotate(45deg);
  -webkit-transform-origin: 10% 10%;
          transform-origin: 10% 10%;
}

.navbar-toggler .middle-bar {
  opacity: 0;
  -webkit-transition: all 0.3s ease-in-out;
  transition: all 0.3s ease-in-out;
}

.navbar-toggler .bottom-bar {
  -webkit-transform: rotate(-45deg);
          transform: rotate(-45deg);
  -webkit-transform-origin: 10% 90%;
          transform-origin: 10% 90%;
}

.navbar-toggler.collapsed .top-bar {
  -webkit-transform: rotate(0);
          transform: rotate(0);
}

.navbar-toggler.collapsed .middle-bar {
  opacity: 1;
  -webkit-transition: all 0.3s ease-in-out;
  transition: all 0.3s ease-in-out;
}

.navbar-toggler.collapsed .bottom-bar {
  -webkit-transform: rotate(0);
          transform: rotate(0);
}

.navbar-expand-md .navbar-nav .dropdown-menu {
  position: absolute !important;
}

/* footer */

.footer {
  background: #000 url(/images/txture.png?a922e59e0e523071923eb2c51517b832);
  margin: 3rem 0 0;
  padding: 2rem 0;
  color: #fafafa;
}

.footer p {
  font-size: 0.8rem;
  line-height: 1rem;
}

.footer a {
  font-size: 0.8rem;
  line-height: 1rem;
}

/*
  common styles
*/

h1,
.h1,
h2,
.h2 {
  font-size: 1.7rem;
  text-align: center;
}

h2,
.h2 {
  margin-bottom: 2rem;
  margin-top: 2rem;
}

/* image shadows */

.img-shadow {
  border-radius: 0px;
  -moz-transition: all .3s ease;
  -o-transition: all .3s ease;
  -webkit-transition: all .3s ease;
}

.img-shadow:hover {
  -webkit-box-shadow: 0px 0px 30px rgba(0, 0, 0, 0.2);
          box-shadow: 0px 0px 30px rgba(0, 0, 0, 0.2);
}

@media screen and (min-width: 768px) {
  h1,
  .h1,
  h2,
  .h2 {
    font-size: 2rem;
    text-align: left;
  }
}

/*
  Main page CSS
 */

/* introduction section */

.introduction .jumbotron {
  background-color: #fafafa;
  margin-bottom: 0rem;
}

/* about-us section */

.about-us {
  margin-bottom: 2rem;
}

.about-us .ul {
  padding-left: 0rem;
}

.about-us .li {
  list-style-type: none;
  color: #007bff;
}

.about-us .li:before {
  content: "\F00C";
  /* FontAwesome Unicode */
  font-family: "Font Awesome 5 Free";
  font-weight: 900;
  display: inline-block;
  margin-right: 1.2rem;
  vertical-align: middle;
}

.about-us .blockquote-footer {
  line-height: 1rem;
}

@media screen and (min-width: 768px) {
  .blockquote-footer {
    font-size: 0.875rem;
  }
}

/* program-usage section */

.program-usage {
  background-color: #fafafa;
  margin-bottom: 2rem;
}

/* contacts section */

.contacts {
  margin-bottom: 2rem;
}

.contacts .input-group > .input-group-prepend {
  -webkit-box-flex: 0;
      -ms-flex: 0 0 10%;
          flex: 0 0 10%;
}

.contacts .input-group .input-group-text {
  width: 100%;
}