html {
  position: relative;
  min-height: 100%; 
  font-family: "Open Sans", sans-serif;
  font-weight: 600;
}

body {
  padding: 0;
  margin: 0;
  font-family: 'Open Sans', sans-serif;
  text-align: center;
  background-color: #efefef;
  margin: 0 0 250px; }

h1, h2, h3, h4, p {
  margin: 0;
  padding: 0; }

header {
  background-color: #051c3a;
  height: 138px; }

/*header*/
/*textovy obsah*/
.content {
  width: 1083px;
  margin: auto; }
  @media screen and (max-width: 1100px) {
    .content {
      width: 100%; } }

.lang {
  width: 100%;
  font-size: 1.1em;
  text-align: right;
  margin-top: 26px; }
  .lang a {
    text-decoration: none;
    color: #000; }
  .lang a:active {
    text-decoration: underline;
    color: #0c4da2; }
  .lang a:hover {
    text-decoration: underline;
    color: #0c4da2; }

.main h1 {
  color: #051c3a;
  font-size: 2.9em;
  margin: 0;
  font-family: 'Raleway', sans-serif;
  color-weight: 800; }
.main h2 {
  color: #0c4da2;
  font-size: 2.5em;
  line-height: 1em;
  margin-top: 30px;
  font-weight: 400; }
.main h3 {
  color: #0c4da2;
  font-size: 1.8em;
  margin-top: 35px; }
.main p {
  margin-top: 20px;
  color: #3a3a3a;
  line-height: 1.1; }

/*textovy obsah*/
/*prepinaci tlacitka*/
.buttons {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 60px; }
  .buttons .android {
    margin-right: 23px; }
    @media screen and (max-width: 600px) {
      .buttons .android {
        margin: 0; } }

.button {
  width: 248px;
  height: 248px;
  background-color: #fff;
  color: #000;
  display: flex;
  align-items: center;
  justify-content: center; }
  .button div img {
    margin: auto;
    width: 98px;
    height: 112px; }
  .button div span {
    margin: auto;
    font-size: 2em;
    display: block;
    font-weight: 200; }
  @media screen and (max-width: 600px) {
    .button {
      width: 50%;
      height: 50vw; } }
  .button:hover {
    cursor: pointer; }

.line {
  width: 100%;
  height: 20px;
  background-color: #0c4da2; }

/*prepinaci tlacitka*/
.paragraph {
  margin-top: 10px;
  margin-bottom: 50px;
  color: #a0a0a0;
  font-size: 0.8em; }

/*navod k postupu*/
.change__window {
  width: 959px;
  padding: 62px;
  background-color: white;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
  margin: auto;
  margin-bottom: 20px; }
  .change__window span {
    background-color: #0c4da2;
    color: white;
    font-size: 2em;
    height: 1em;
    width: 1em;
    border: 15px solid #0c4da2;
    border-radius: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 62px; }
    @media screen and (max-width: 1100px) {
      .change__window span {
        margin-right: 3%;
        margin-bottom: 10px; } }
  .change__window div {
    width: 30%;
    color: #a0a0a0; }
    @media screen and (max-width: 600px) {
      .change__window div {
        width: auto; } }
  .change__window div:first-of-type {
    width: 50%;
    text-align: left; }
    @media screen and (max-width: 600px) {
      .change__window div:first-of-type {
        width: 75%;
        margin: auto;
        display: inline;
        margin-bottom: 10px; } }
  @media screen and (max-width: 1100px) {
    .change__window {
      width: 90%;
      padding: 5%; } }

.title {
  font-size: 1.5em;
  color: #0c4da2;
  font-family: 'Raleway', sans-serif;
  font-weight: 800;
  margin-bottom: 60px; }

.version_app {
  font-size: 1.0em;
  color: #a0a0a0;
  font-family: 'Raleway', sans-serif;
  font-weight: 600;
  margin-top: 40px; }

.window-first a {
  text-decoration: none;
  background-color: #0c4da2;
  color: white;
  padding: 14px; }
@media screen and (max-width: 600px) {
  .window-first div:last-of-type {
    display: none; } }

.window-second div:first-of-type {
  width: 50%;
  text-align: left; }
  @media screen and (max-width: 870px) {
    .window-second div:first-of-type {
      width: 80%;
      margin: auto; } }
  @media screen and (max-width: 600px) {
    .window-second div:first-of-type {
      width: 75%; } }
@media screen and (max-width: 600px) {
  .window-second p:last-of-type {
    margin-left: -15vw;
    width: 80vw; } }
@media screen and (max-width: 312px) {
  .window-second p:last-of-type {
    margin: 0;
    width: 100%; } }
.window-second .how-to-install {
  width: 298px;
  height: 171px;
  background-image: url("../Images/allow-instalation-illustration.png");
  text-align: left; }
  @media screen and (max-width: 870px) {
    .window-second .how-to-install {
      margin-top: 10px; } }
  .window-second .how-to-install div {
    position: relative;
    color: #0c4da2;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-align: left;
    font-size: 0.84em;
    margin: 0;
    padding: 0; }
  .window-second .how-to-install .install__nastaveni {
    top: 17px;
    left: 20px; }
  .window-second .how-to-install .install__zabezpeceni {
    top: 58px;
    left: 38px; }
  .window-second .how-to-install .install__povolit {
    color: white;
    top: 101px;
    left: 58px;
    width: 100%; }

@media screen and (max-width: 600px) {
  .window-third div:last-of-type {
    width: 80%;
    margin-left: auto;
    margin-right: 6%; } }

.change__window--ios {
  width: 959px;
  padding: 62px;
  background-color: white;
  margin: auto; }
  @media screen and (max-width: 1100px) {
    .change__window--ios {
      width: 90%;
      padding: 5%; } }

.window-first--ios a {
  text-decoration: none;
  background-color: #0c4da2;
  color: white;
  padding: 14px; }

/*navod k postupu*/
/*JS puvodni pozice*/
.android-white {
  display: inline; }

.android-black {
  display: none; }

.ios-white {
  display: none; }

.ios-black {
  display: block; }

.android {
  background-color: #0c4da2;
  color: #fff; }

.ios {
  background-color: #fff;
  color: #000; }

.change--android {
  display: block; }

.change--ios {
  display: none; }

/*JS puvodni pozice*/
footer {
  position: absolute;
  background-color: #051c3a;
  height: 150px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 80px;
  overflow: hidden;
  left: 0;
  bottom: 0; }

h4 {
  color: white;
  font-size: 2em;
  font-weight: 200; }

.login  {
  width: 100%;
  font-size: 1.1em;
  text-align: right;
  margin-top: 26px; }
  .login a {
    text-decoration: none;
    color: #efefef; }
  .login a:active {
    text-decoration: underline;
    color: #efefef; }
  .login a:hover {
    text-decoration: underline;
    color: #0c4da2; }