body {
  padding: 0;
  margin: 0;
  font-family: 'Roboto', sans-serif; }

a {
  color: #000;
  text-decoration: none;
  transition-duration: 0.3s; }
  a:hover {
    color: #377dff; }

#header {
  height: 100vh;
  background: #fff;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
  -ms-flex-align: center;
  -webkit-align-items: center;
  -webkit-box-align: center;
  align-items: center; }
  #header h1 {
    padding: 0 0 32px 0;
    margin: 0;
    color: #333;
    font-weight: 900;
    font-size: 42px;
    
    color: #000; }
  #header p {
    font-size: 16px;
    padding: 8px 0;
    margin: 0;
    font-weight: 300;
    color: #999;
    line-height: 28px; }

.tag {
  
  padding: 0 0 16px 0;
  color: #457abe;
  font-weight: 400;
  font-size: 14px;
  letter-spacing: 3px; }

.wrapper {
  width: 1200px;
  margin: 0 auto;
  vertical-align: middle;
  position: relative;
  background: transparent;
  padding: 64px 0;
  text-align: left; }

.rows {
  margin: 0;
  padding: 0; }

.box {
  margin-top: 64px; }

.column-rk-6 {
  width: 50%;
  float: left; }

.container-rk {
  padding: 0 64px 0 0; }

.bg-rk {
  height: 100vh;
  width: 100%;
  position: absolute; }

.light-bg {
  background: #fff;
  height: 100vh; }

.dark-bg {
  background: url(../img/filtr.jpg);
  height: 100vh;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
  background-repeat: no-repeat;
  background-position: top center; }

a.przycisk {
  padding: 16px 32px;
  border: 0;
  background: #457abe;
  color: #fff;
  text-decoration: none;
  border-radius: 4px;
  transition-duration: 0.3s;
  font-weight: 500;
  text-transform: uppercase;
  font-size: 14px;
  margin-right: 16px;
  text-align: center; }
  a.przycisk:hover {
    background: #457abe;
    color: #fff;
    -webkit-box-shadow: 0px 8px 32px 0px rgba(55, 125, 255, 0.6);
    -moz-box-shadow: 0px 8px 32px 0px rgba(55, 125, 255, 0.6);
    box-shadow: 0px 8px 32px 0px rgba(55, 125, 255, 0.6); }

ul.media-rk {
  list-style: none;
  padding: 0;
  margin: 0; }

ul.media-rk, li {
  display: inline-block;
  padding: 0 2px;
  margin: 0;
  font-size: 14px; }

ul.media-rk, li > a {
  transition-duration: 0.3s; }
  ul.media-rk:hover, li > a:hover {
    color: #377dff; }

/* MEDIA QUERIES */
@media all and (min-width: 320px) and (max-width: 480px) {
  .bg-rk {
    display: none; }
  .column-rk-6 {
    width: 100%; }
  #header {
    min-height: 100vh; }
    #header h1 {
      font-size: 32px;
      padding: 0 0 16px 0; }
    #header p {
      font-size: 14px;
      line-height: 24px; }
  .wrapper {
    max-width: 100%;
    padding: 32px; }
  .container-rk {
    padding: 0; }
  .tag {
    font-size: 11px;
    letter-spacing: 1px; }
  a.przycisk {
    max-width: 100%;
    display: block;
    margin-right: 0; }
  .box {
    margin-top: 32px;
    width: 100%; }
  ul.media-rk {
    text-align: center;
    display: block;
    margin-top: 32px; } }

@media all and (min-width: 480px) and (max-width: 600px) {
  #header {
    min-height: 100vh; }
    #header h1 {
      font-size: 28px;
      padding: 0 0 16px 0; }
    #header p {
      font-size: 14px;
      line-height: 24px; }
  .wrapper {
    padding-left: 16px;
    max-width: 100%; }
  .tag {
    font-size: 12px; }
  a.przycisk {
    max-width: 100%;
    display: block;
    font-size: 12px;
    margin-right: 0; }
  .box {
    margin-top: 32px;
    width: 100%; }
  ul.media-rk {
    text-align: left;
    display: block;
    margin-top: 32px; } }

@media all and (min-width: 600px) and (max-width: 768px) {
  #header {
    min-height: 100vh; }
    #header h1 {
      font-size: 28px;
      padding: 0 0 16px 0; }
    #header p {
      font-size: 14px;
      line-height: 24px; }
  .wrapper {
    max-width: 100%;
    padding-left: 16px; }
  .tag {
    font-size: 12px; }
  a.przycisk {
    max-width: 100%;
    display: block;
    font-size: 12px;
    margin-right: 0; }
  .box {
    margin-top: 32px;
    width: 100%; }
  ul.media-rk {
    text-align: left;
    display: block;
    margin-top: 32px; } }

@media all and (min-width: 768px) and (max-width: 1024px) {
  .wrapper {
    max-width: 100%;
    padding-left: 32px; } }

@media all and (min-width: 1024px) and (max-width: 1280px) {
  .wrapper {
    padding-left: 32px; } }