body,
html {
  margin: 0;
  padding: 0;
  background-color: #00f;
  color: #fff;
  font-family: 'Hobo Std', Impact, 'Marker Felt', 'Comic Sans MS';
  font-size: 18px;
  background-image: url('../img/advice_dog_background.jpg');
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
}
body {
  margin: 110px 0 0 0;
}
.heading:after {
  content: '';
  display: block;
  clear: both;
}
h1.title {
  font-size: 40px;
  font-weight: 700;
  margin: 0 0 5px;
  display: block;
  float: left;
}
@-webkit-keyframes move-up {
  0% {
    top: 25px;
    opacity: 1;
  }
  100% {
    top: -50px;
    opacity: 0;
  }
}
@-moz-keyframes move-up {
  0% {
    top: 25px;
    opacity: 1;
  }
  100% {
    top: -50px;
    opacity: 0;
  }
}
@keyframes move-up {
  0% {
    top: 25px;
    opacity: 1;
  }
  100% {
    top: -50px;
    opacity: 0;
  }
}
.scores-container {
  float: right;
  text-align: right;
}
.best-container,
.score-container {
  position: relative;
  display: inline-block;
  background: #000;
  padding: 15px 25px;
  font-size: 25px;
  height: 25px;
  line-height: 47px;
  font-weight: 700;
  border-radius: 3px;
  color: #fff;
  margin-top: 8px;
  text-align: center;
}
.best-container:after,
.score-container:after {
  position: absolute;
  width: 100%;
  top: 10px;
  left: 0;
  text-transform: uppercase;
  font-size: 13px;
  line-height: 13px;
  text-align: center;
  color: #d00;
}
.best-container .score-addition,
.score-container .score-addition {
  position: absolute;
  right: 30px;
  color: red;
  font-size: 25px;
  line-height: 25px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.9);
  z-index: 100;
  -webkit-animation: move-up 0.6s ease-in;
  -moz-animation: move-up 0.6s ease-in;
  animation: move-up 0.6s ease-in;
  -webkit-animation-fill-mode: both;
  -moz-animation-fill-mode: both;
  animation-fill-mode: both;
}
.score-container:after {
  content: 'Score';
}
.best-container:after {
  content: 'Best';
}
p {
  margin-top: 0;
  margin-bottom: 10px;
  line-height: 1.65;
}
a {
  color: #fff;
  font-weight: 700;
  text-decoration: underline;
  cursor: pointer;
}
strong.important {
  text-transform: uppercase;
}
hr {
  border: none;
  border-bottom: 1px solid #fff;
  margin-top: 20px;
  margin-bottom: 30px;
}
.container {
  width: 500px;
  margin: 0 auto;
}
@-webkit-keyframes fade-in {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}
@-moz-keyframes fade-in {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}
@keyframes fade-in {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}
.game-container {
  margin-top: 20px;
  position: relative;
  padding: 15px;
  cursor: default;
  -webkit-touch-callout: none;
  -ms-touch-callout: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  -ms-touch-action: none;
  touch-action: none;
  background: #000;
  border-radius: 6px;
  width: 500px;
  height: 500px;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}
.game-container .game-message {
  display: none;
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: rgba(221, 0, 0, 0.5);
  z-index: 100;
  text-align: center;
  -webkit-animation: fade-in 0.8s ease 1.2s;
  -moz-animation: fade-in 0.8s ease 1.2s;
  animation: fade-in 0.8s ease 1.2s;
  -webkit-animation-fill-mode: both;
  -moz-animation-fill-mode: both;
  animation-fill-mode: both;
}
.game-container .game-message p {
  font-size: 60px;
  font-weight: 700;
  height: 60px;
  line-height: 60px;
  margin-top: 222px;
}
.game-container .game-message .lower {
  display: block;
  margin-top: 59px;
}
.game-container .game-message a {
  display: inline-block;
  background: #000;
  border-radius: 3px;
  padding: 0 20px;
  text-decoration: none;
  color: #fff;
  height: 40px;
  line-height: 42px;
  margin-left: 9px;
}
.game-container .game-message a.keep-playing-button {
  display: none;
}
.game-container .game-message.game-won {
  background: rgba(255, 0, 0, 0.5);
  color: #fff;
}
.game-container .game-message.game-won a.keep-playing-button {
  display: inline-block;
}
.game-container .game-message.game-over,
.game-container .game-message.game-won {
  display: block;
}
.grid-container {
  position: absolute;
  z-index: 1;
}
.grid-row {
  margin-bottom: 15px;
}
.grid-row:last-child {
  margin-bottom: 0;
}
.grid-row:after {
  content: '';
  display: block;
  clear: both;
}
.grid-cell {
  width: 106.25px;
  height: 106.25px;
  margin-right: 15px;
  float: left;
  border-radius: 3px;
  background: rgba(221, 0, 0, 0.35);
}
.grid-cell:last-child {
  margin-right: 0;
}
.tile-container {
  position: absolute;
  z-index: 2;
}
.tile,
.tile .tile-inner {
  width: 107px;
  height: 107px;
  line-height: 116.25px;
}
.tile.tile-position-1-1 {
  -webkit-transform: translate(0, 0);
  -moz-transform: translate(0, 0);
  transform: translate(0, 0);
}
.tile.tile-position-1-2 {
  -webkit-transform: translate(0, 121px);
  -moz-transform: translate(0, 121px);
  transform: translate(0, 121px);
}
.tile.tile-position-1-3 {
  -webkit-transform: translate(0, 242px);
  -moz-transform: translate(0, 242px);
  transform: translate(0, 242px);
}
.tile.tile-position-1-4 {
  -webkit-transform: translate(0, 363px);
  -moz-transform: translate(0, 363px);
  transform: translate(0, 363px);
}
.tile.tile-position-2-1 {
  -webkit-transform: translate(121px, 0);
  -moz-transform: translate(121px, 0);
  transform: translate(121px, 0);
}
.tile.tile-position-2-2 {
  -webkit-transform: translate(121px, 121px);
  -moz-transform: translate(121px, 121px);
  transform: translate(121px, 121px);
}
.tile.tile-position-2-3 {
  -webkit-transform: translate(121px, 242px);
  -moz-transform: translate(121px, 242px);
  transform: translate(121px, 242px);
}
.tile.tile-position-2-4 {
  -webkit-transform: translate(121px, 363px);
  -moz-transform: translate(121px, 363px);
  transform: translate(121px, 363px);
}
.tile.tile-position-3-1 {
  -webkit-transform: translate(242px, 0);
  -moz-transform: translate(242px, 0);
  transform: translate(242px, 0);
}
.tile.tile-position-3-2 {
  -webkit-transform: translate(242px, 121px);
  -moz-transform: translate(242px, 121px);
  transform: translate(242px, 121px);
}
.tile.tile-position-3-3 {
  -webkit-transform: translate(242px, 242px);
  -moz-transform: translate(242px, 242px);
  transform: translate(242px, 242px);
}
.tile.tile-position-3-4 {
  -webkit-transform: translate(242px, 363px);
  -moz-transform: translate(242px, 363px);
  transform: translate(242px, 363px);
}
.tile.tile-position-4-1 {
  -webkit-transform: translate(363px, 0);
  -moz-transform: translate(363px, 0);
  transform: translate(363px, 0);
}
.tile.tile-position-4-2 {
  -webkit-transform: translate(363px, 121px);
  -moz-transform: translate(363px, 121px);
  transform: translate(363px, 121px);
}
.tile.tile-position-4-3 {
  -webkit-transform: translate(363px, 242px);
  -moz-transform: translate(363px, 242px);
  transform: translate(363px, 242px);
}
.tile.tile-position-4-4 {
  -webkit-transform: translate(363px, 363px);
  -moz-transform: translate(363px, 363px);
  transform: translate(363px, 363px);
}
.tile {
  position: absolute;
  -webkit-transition: 0.1s ease-in-out;
  -moz-transition: 0.1s ease-in-out;
  transition: 0.1s ease-in-out;
  -webkit-transition-property: -webkit-transform;
  -moz-transition-property: -moz-transform;
  transition-property: transform;
}
.tile .tile-inner {
  border-radius: 3px;
  background: #d00;
  text-align: center;
  font-weight: 700;
  z-index: 10;
  font-size: 55px;
}
.tile.tile-2 .tile-inner {
  background: #d00;
  box-shadow: 0 0 30px 10px rgba(255, 77, 77, 0),
    inset 0 0 0 1px rgba(255, 255, 255, 0);
}
.tile.tile-4 .tile-inner {
  background: #e00000;
  box-shadow: 0 0 30px 10px rgba(255, 77, 77, 0),
    inset 0 0 0 1px rgba(255, 255, 255, 0);
}
.tile.tile-8 .tile-inner {
  color: #fff;
  background: #ee4e27;
}
.tile.tile-16 .tile-inner {
  color: #fff;
  background: #f23319;
}
.tile.tile-32 .tile-inner {
  color: #fff;
  background: #f51c1c;
}
.tile.tile-64 .tile-inner {
  color: #fff;
  background: #f70000;
}
.tile.tile-128 .tile-inner {
  color: #fff;
  background: #f10000;
  box-shadow: 0 0 30px 10px rgba(255, 77, 77, 0.2381),
    inset 0 0 0 1px rgba(255, 255, 255, 0.14286);
  font-size: 45px;
}
@media screen and (max-width: 520px) {
  .tile.tile-128 .tile-inner {
    font-size: 25px;
  }
}
.tile.tile-256 .tile-inner {
  color: #fff;
  background: #f40000;
  box-shadow: 0 0 30px 10px rgba(255, 77, 77, 0.31746),
    inset 0 0 0 1px rgba(255, 255, 255, 0.19048);
  font-size: 45px;
}
@media screen and (max-width: 520px) {
  .tile.tile-256 .tile-inner {
    font-size: 25px;
  }
}
.tile.tile-512 .tile-inner {
  color: #fff;
  background: #f80000;
  box-shadow: 0 0 30px 10px rgba(255, 77, 77, 0.39683),
    inset 0 0 0 1px rgba(255, 255, 255, 0.2381);
  font-size: 45px;
}
@media screen and (max-width: 520px) {
  .tile.tile-512 .tile-inner {
    font-size: 25px;
  }
}
.tile.tile-1024 .tile-inner {
  color: #fff;
  background: #fb0000;
  box-shadow: 0 0 30px 10px rgba(255, 77, 77, 0.47619),
    inset 0 0 0 1px rgba(255, 255, 255, 0.28571);
  font-size: 35px;
}
@media screen and (max-width: 520px) {
  .tile.tile-1024 .tile-inner {
    font-size: 15px;
  }
}
.tile.tile-2048 .tile-inner {
  color: #fff;
  background: red;
  box-shadow: 0 0 30px 10px rgba(255, 77, 77, 0.55556),
    inset 0 0 0 1px rgba(255, 255, 255, 0.33333);
  font-size: 35px;
}
@media screen and (max-width: 520px) {
  .tile.tile-2048 .tile-inner {
    font-size: 15px;
  }
}
.tile.tile-super .tile-inner {
  color: #fff;
  background: #3d3030;
  font-size: 30px;
}
@media screen and (max-width: 520px) {
  .tile.tile-super .tile-inner {
    font-size: 10px;
  }
}
@-webkit-keyframes appear {
  0% {
    opacity: 0;
    -webkit-transform: scale(0);
    -moz-transform: scale(0);
    transform: scale(0);
  }
  100% {
    opacity: 1;
    -webkit-transform: scale(1);
    -moz-transform: scale(1);
    transform: scale(1);
  }
}
@-moz-keyframes appear {
  0% {
    opacity: 0;
    -webkit-transform: scale(0);
    -moz-transform: scale(0);
    transform: scale(0);
  }
  100% {
    opacity: 1;
    -webkit-transform: scale(1);
    -moz-transform: scale(1);
    transform: scale(1);
  }
}
@keyframes appear {
  0% {
    opacity: 0;
    -webkit-transform: scale(0);
    -moz-transform: scale(0);
    transform: scale(0);
  }
  100% {
    opacity: 1;
    -webkit-transform: scale(1);
    -moz-transform: scale(1);
    transform: scale(1);
  }
}
.tile-new .tile-inner {
  -webkit-animation: appear 0.2s ease 0.1s;
  -moz-animation: appear 0.2s ease 0.1s;
  animation: appear 0.2s ease 0.1s;
  -webkit-animation-fill-mode: backwards;
  -moz-animation-fill-mode: backwards;
  animation-fill-mode: backwards;
}
@-webkit-keyframes pop {
  0% {
    -webkit-transform: scale(0);
    -moz-transform: scale(0);
    transform: scale(0);
  }
  50% {
    -webkit-transform: scale(1.2);
    -moz-transform: scale(1.2);
    transform: scale(1.2);
  }
  100% {
    -webkit-transform: scale(1);
    -moz-transform: scale(1);
    transform: scale(1);
  }
}
@-moz-keyframes pop {
  0% {
    -webkit-transform: scale(0);
    -moz-transform: scale(0);
    transform: scale(0);
  }
  50% {
    -webkit-transform: scale(1.2);
    -moz-transform: scale(1.2);
    transform: scale(1.2);
  }
  100% {
    -webkit-transform: scale(1);
    -moz-transform: scale(1);
    transform: scale(1);
  }
}
@keyframes pop {
  0% {
    -webkit-transform: scale(0);
    -moz-transform: scale(0);
    transform: scale(0);
  }
  50% {
    -webkit-transform: scale(1.2);
    -moz-transform: scale(1.2);
    transform: scale(1.2);
  }
  100% {
    -webkit-transform: scale(1);
    -moz-transform: scale(1);
    transform: scale(1);
  }
}
.tile-merged .tile-inner {
  z-index: 20;
  -webkit-animation: pop 0.2s ease 0.1s;
  -moz-animation: pop 0.2s ease 0.1s;
  animation: pop 0.2s ease 0.1s;
  -webkit-animation-fill-mode: backwards;
  -moz-animation-fill-mode: backwards;
  animation-fill-mode: backwards;
}
.above-game {
  margin-top: 20px;
}
.above-game:after {
  content: '';
  display: block;
  clear: both;
}
.game-intro {
  float: left;
  line-height: 42px;
  margin-bottom: 0;
}
.restart-button {
  display: inline-block;
  background: #000;
  border-radius: 3px;
  padding: 0 20px;
  text-decoration: none;
  color: #fff;
  height: 40px;
  line-height: 42px;
  display: block;
  text-align: center;
  float: right;
}
.game-explanation {
  margin-top: 50px;
}
.browser-buttons {
  text-align: center;
}
@media screen and (max-width: 520px) {
  body,
  html {
    font-size: 15px;
  }
  body {
    margin: 110px 0 0 0;
    padding: 0 20px;
  }
  h1.title {
    font-size: 27px;
    margin-top: 15px;
  }
  .container {
    width: 280px;
    margin: 0 auto;
  }
  .best-container,
  .score-container {
    margin-top: 0;
    padding: 15px 10px;
    min-width: 40px;
  }
  .heading {
    margin-bottom: 10px;
  }
  .game-intro {
    width: 55%;
    display: block;
    box-sizing: border-box;
    line-height: 1.65;
  }
  .restart-button {
    width: 42%;
    padding: 0;
    display: block;
    box-sizing: border-box;
    margin-top: 2px;
  }
  .game-container {
    margin-top: 17px;
    position: relative;
    padding: 10px;
    cursor: default;
    -webkit-touch-callout: none;
    -ms-touch-callout: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    -ms-touch-action: none;
    touch-action: none;
    background: #000;
    border-radius: 6px;
    width: 280px;
    height: 280px;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
  }
  .game-container .game-message {
    display: none;
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: rgba(221, 0, 0, 0.5);
    z-index: 100;
    text-align: center;
    -webkit-animation: fade-in 0.8s ease 1.2s;
    -moz-animation: fade-in 0.8s ease 1.2s;
    animation: fade-in 0.8s ease 1.2s;
    -webkit-animation-fill-mode: both;
    -moz-animation-fill-mode: both;
    animation-fill-mode: both;
  }
  .game-container .game-message p {
    font-size: 60px;
    font-weight: 700;
    height: 60px;
    line-height: 60px;
    margin-top: 222px;
  }
  .game-container .game-message .lower {
    display: block;
    margin-top: 59px;
  }
  .game-container .game-message a {
    display: inline-block;
    background: #000;
    border-radius: 3px;
    padding: 0 20px;
    text-decoration: none;
    color: #fff;
    height: 40px;
    line-height: 42px;
    margin-left: 9px;
  }
  .game-container .game-message a.keep-playing-button {
    display: none;
  }
  .game-container .game-message.game-won {
    background: rgba(255, 0, 0, 0.5);
    color: #fff;
  }
  .game-container .game-message.game-won a.keep-playing-button {
    display: inline-block;
  }
  .game-container .game-message.game-over,
  .game-container .game-message.game-won {
    display: block;
  }
  .grid-container {
    position: absolute;
    z-index: 1;
  }
  .grid-row {
    margin-bottom: 10px;
  }
  .grid-row:last-child {
    margin-bottom: 0;
  }
  .grid-row:after {
    content: '';
    display: block;
    clear: both;
  }
  .grid-cell {
    width: 57.5px;
    height: 57.5px;
    margin-right: 10px;
    float: left;
    border-radius: 3px;
    background: rgba(221, 0, 0, 0.35);
  }
  .grid-cell:last-child {
    margin-right: 0;
  }
  .tile-container {
    position: absolute;
    z-index: 2;
  }
  .tile,
  .tile .tile-inner {
    width: 58px;
    height: 58px;
    line-height: 67.5px;
  }
  .tile.tile-position-1-1 {
    -webkit-transform: translate(0, 0);
    -moz-transform: translate(0, 0);
    transform: translate(0, 0);
  }
  .tile.tile-position-1-2 {
    -webkit-transform: translate(0, 67px);
    -moz-transform: translate(0, 67px);
    transform: translate(0, 67px);
  }
  .tile.tile-position-1-3 {
    -webkit-transform: translate(0, 135px);
    -moz-transform: translate(0, 135px);
    transform: translate(0, 135px);
  }
  .tile.tile-position-1-4 {
    -webkit-transform: translate(0, 202px);
    -moz-transform: translate(0, 202px);
    transform: translate(0, 202px);
  }
  .tile.tile-position-2-1 {
    -webkit-transform: translate(67px, 0);
    -moz-transform: translate(67px, 0);
    transform: translate(67px, 0);
  }
  .tile.tile-position-2-2 {
    -webkit-transform: translate(67px, 67px);
    -moz-transform: translate(67px, 67px);
    transform: translate(67px, 67px);
  }
  .tile.tile-position-2-3 {
    -webkit-transform: translate(67px, 135px);
    -moz-transform: translate(67px, 135px);
    transform: translate(67px, 135px);
  }
  .tile.tile-position-2-4 {
    -webkit-transform: translate(67px, 202px);
    -moz-transform: translate(67px, 202px);
    transform: translate(67px, 202px);
  }
  .tile.tile-position-3-1 {
    -webkit-transform: translate(135px, 0);
    -moz-transform: translate(135px, 0);
    transform: translate(135px, 0);
  }
  .tile.tile-position-3-2 {
    -webkit-transform: translate(135px, 67px);
    -moz-transform: translate(135px, 67px);
    transform: translate(135px, 67px);
  }
  .tile.tile-position-3-3 {
    -webkit-transform: translate(135px, 135px);
    -moz-transform: translate(135px, 135px);
    transform: translate(135px, 135px);
  }
  .tile.tile-position-3-4 {
    -webkit-transform: translate(135px, 202px);
    -moz-transform: translate(135px, 202px);
    transform: translate(135px, 202px);
  }
  .tile.tile-position-4-1 {
    -webkit-transform: translate(202px, 0);
    -moz-transform: translate(202px, 0);
    transform: translate(202px, 0);
  }
  .tile.tile-position-4-2 {
    -webkit-transform: translate(202px, 67px);
    -moz-transform: translate(202px, 67px);
    transform: translate(202px, 67px);
  }
  .tile.tile-position-4-3 {
    -webkit-transform: translate(202px, 135px);
    -moz-transform: translate(202px, 135px);
    transform: translate(202px, 135px);
  }
  .tile.tile-position-4-4 {
    -webkit-transform: translate(202px, 202px);
    -moz-transform: translate(202px, 202px);
    transform: translate(202px, 202px);
  }
  .tile .tile-inner {
    font-size: 35px;
  }
  .game-message p {
    font-size: 30px !important;
    height: 30px !important;
    line-height: 30px !important;
    margin-top: 90px !important;
  }
  .game-message .lower {
    margin-top: 30px !important;
  }
}