html,
body,
div,
span,
applet,
object,
iframe,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
a,
abbr,
acronym,
address,
big,
cite,
code,
del,
dfn,
em,
img,
ins,
kbd,
q,
s,
samp,
small,
strike,
strong,
sub,
sup,
tt,
var,
b,
u,
i,
center,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td,
article,
aside,
canvas,
details,
embed,
figure,
figcaption,
footer,
header,
hgroup,
menu,
nav,
output,
ruby,
section,
summary,
time,
mark,
audio,
video {
margin: 0;
padding: 0;
border: 0;
font-size: 100%;
font: inherit;
vertical-align: baseline
}
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
display: block
}
body {
line-height: 1
}
ol,
ul {
list-style: none
}
blockquote,
q {
quotes: none
}
blockquote:before,
blockquote:after,
q:before,
q:after {
content: '';
content: none
}
table {
border-collapse: collapse;
border-spacing: 0
}
@charset "UTF-8";
@import url("https://fonts.googleapis.com/css?family=Arvo");
* {
box-sizing: border-box;
}
a {
color: #1B9AAA;
text-decoration: none;
border-bottom: 1px solid currentColor;
}
a:hover {
color: #14727e;
}
a:focus,
a:active {
color: #0d4a52;
}
body,
html {
position: relative;
width: 100%;
height: 100%;
display: -webkit-box;
display: -ms-flexbox;
display: flex;
-webkit-box-orient: vertical;
-webkit-box-direction: normal;
-ms-flex-direction: column;
flex-direction: column;
font-family: "Arvo", Helvetica, sans-serif;
font-family: 12px;
color: #555;
background: #F8FFE5;
}
strong {
font-weight: bold;
}
p {
line-height: 1.6;
font-size: 16px;
}
@media screen and (max-width:400px) {
.haiyong{
font-size: 12px;
}
} 
.inspired {
margin-top: 1em;
font-size: 0.9rem;
color: #9a9a95;
}
header {
color: #F8FFE5;
text-align: center;
}
header span {
display: inline-block;
box-sizing: border-box;
width: 4rem;
height: 4rem;
line-height: 4rem;
margin: 0 0.4rem;
background: #FFC43D;
}
@media screen and (max-width:440px) {
header span {
width: 3rem;
height: 3rem;
line-height: 3rem;
}
}
@media screen and (max-width:375px) {
header span {
width: 2.5rem;
height: 2.5rem;
line-height: 2.5rem;
}
}
header span:nth-of-type(2) {
background: #EF476F;
}
header span:nth-of-type(3) {
background: #1B9AAA;
}
header span:nth-of-type(4) {
background: #06D6A0;
}
h1 {
font-size: 2.2rem;
}
.directions {
padding: 2rem;
border-top: 1px solid #9a9a95;
border-bottom: 1px solid #9a9a95;
}
@media screen and (max-width:440px) {
.directions{
	padding: 1rem;
}
}
.container {
margin: 0 auto;
padding-bottom: 3.5rem;
-webkit-box-flex: 1;
-ms-flex: 1;
flex: 1;
width: 100%;
max-width: 550px;
text-align: center;
}
header .container {
padding: 0;
padding: 2rem 4rem;
max-width: 900px;
}
@media screen and (max-width:440px) {
header .container {
	padding: 1rem 2rem;
}
}
.scores {
display: -webkit-box;
display: -ms-flexbox;
display: flex;
-webkit-box-pack: center;
-ms-flex-pack: center;
justify-content: center;
}
.score-container {
display: -webkit-box;
display: -ms-flexbox;
display: flex;
-webkit-box-pack: center;
-ms-flex-pack: center;
justify-content: center;
-webkit-box-align: center;
-ms-flex-align: center;
align-items: center;
margin: 0.8rem;
font-size: 1.2rem;
line-height: 1;
color: #555;
}
.score-container.best-score {
color: #9a9a95;
}
.score {
margin-left: 1rem;
position: relative;
font-weight: bold;
font-size: 1.5rem;
vertical-align: middle;
text-align: right;
}
.game {
position: relative;
margin: 0 auto;
background: #9a9a95;
padding: 7px;
display: inline-block;
border-radius: 3px;
box-sizing: border-box;
}
.tile-container {
border-radius: 6px;
position: relative;
width: 270px;
height: 270px;
}
.tile,
.background {
display: block;
color: #F8FFE5;
position: absolute;
width: 67.5px;
height: 67.5px;
box-sizing: border-box;
text-align: center;
}
.background {
z-index: 1;
text-align: center;
border: 5px solid #9a9a95;
background-color: #F8FFE5;
}
.tile {
opacity: 0;
z-index: 2;
background: #FFC43D;
color: #F8FFE5;
display: -webkit-box;
display: -ms-flexbox;
display: flex;
-webkit-box-align: center;
-ms-flex-align: center;
align-items: center;
-webkit-box-pack: center;
-ms-flex-pack: center;
justify-content: center;
font-size: 1.8rem;
align-items: center;
-webkit-transition: 110ms ease-in-out;
transition: 110ms ease-in-out;
border-radius: 3px;
border: 7px solid #9a9a95;
box-sizing: border-box;
}
.tile--4 {
background: #EF476F;
color: #F8FFE5;
}
.tile--8 {
background: #1B9AAA;
color: #F8FFE5;
}
.tile--16 {
background: #06D6A0;
color: #F8FFE5;
}
.tile--32 {
background: #f37694;
color: #F8FFE5;
}
.tile--64 {
background: #22c2d6;
color: #F8FFE5;
}
.tile--128 {
background: #17f8be;
color: #F8FFE5;
}
.tile--256 {
background: #ffd470;
color: #F8FFE5;
}
.tile--512 {
background: #eb184a;
color: #F8FFE5;
}
.tile--1024 {
background: #14727e;
color: #F8FFE5;
}
.tile--2048 {
background: #05a47b;
color: #F8FFE5;
}
.tile--pop {
-webkit-animation: pop 0.3s ease-in-out;
animation: pop 0.3s ease-in-out;
-webkit-animation-fill-mode: forwards;
animation-fill-mode: forwards;
}
.tile--shrink {
-webkit-animation: shrink 0.5s ease-in-out;
animation: shrink 0.5s ease-in-out;
-webkit-animation-fill-mode: forwards;
animation-fill-mode: forwards;
}
.add {
position: absolute;
opacity: 0;
left: 120%;
top: 0;
font-size: 1rem;
color: #1B9AAA;
}
.add.active {
-webkit-animation: add 0.8s ease-in-out;
animation: add 0.8s ease-in-out;
}
@-webkit-keyframes add {
0% {
	opacity: 1;
	top: 0;
}
100% {
	opacity: 0;
	top: -100%;
}
}
@keyframes add {
0% {
	opacity: 1;
	top: 0;
}
100% {
	opacity: 0;
	top: -100%;
}
}
@-webkit-keyframes pop {
0% {
	-webkit-transform: scale(0.5);
	transform: scale(0.5);
	opacity: 0;
}
90% {
	-webkit-transform: scale(1.1);
	transform: scale(1.1);
	opacity: 1;
}
100% {
	-webkit-transform: scale(1);
	transform: scale(1);
	opacity: 1;
}
}
@keyframes pop {
0% {
	-webkit-transform: scale(0.5);
	transform: scale(0.5);
	opacity: 0;
}
90% {
	-webkit-transform: scale(1.1);
	transform: scale(1.1);
	opacity: 1;
}
100% {
	-webkit-transform: scale(1);
	transform: scale(1);
	opacity: 1;
}
}
@-webkit-keyframes shrink {
0% {
	-webkit-transform: scale(1);
	transform: scale(1);
	opacity: 1;
}
100% {
	-webkit-transform: scale(0.9);
	transform: scale(0.9);
	opacity: 0.9;
}
}
@keyframes shrink {
0% {
	-webkit-transform: scale(1);
	transform: scale(1);
	opacity: 1;
}
100% {
	-webkit-transform: scale(0.9);
	transform: scale(0.9);
	opacity: 0.9;
}
}
.end {
opacity: 0;
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
z-index: -1;
display: -webkit-box;
display: -ms-flexbox;
display: flex;
-webkit-box-orient: vertical;
-webkit-box-direction: normal;
-ms-flex-direction: column;
flex-direction: column;
-webkit-box-pack: center;
-ms-flex-pack: center;
justify-content: center;
-webkit-box-align: center;
-ms-flex-align: center;
align-items: center;
background: rgba(85, 85, 85, 0.9);
color: white;
font-size: 2rem;
-webkit-transition: opacity 0.3s ease-in-out;
transition: opacity 0.3s ease-in-out;
}
.end btn {
margin-top: 1rem;
}
.end.active {
opacity: 1;
z-index: 1000;
}
.monkey {
font-size: 3rem;
margin: 1rem 0;
}
.btn {
font-family: inherit;
font-size: 1rem;
border: none;
background: #1B9AAA;
letter-spacing: 1px;
color: white;
font-weight: 300;
padding: 0.9em 1.5em;
border-radius: 3px;
border: 1px solid transparent;
cursor: pointer;
}
.btn:hover {
background-color: #14727e;
}
.btn:active {
background-color: #0d4a52;
}
.btn:focus {
box-shadow: 0 0 10px #0d4a52 inset;
outline: none;
}
.not-recommended {
display: -webkit-box;
display: -ms-flexbox;
display: flex;
-webkit-box-pack: center;
-ms-flex-pack: center;
justify-content: center;
-webkit-box-align: center;
-ms-flex-align: center;
align-items: center;
margin-top: 0.8rem;
}
.not-recommended *+* {
margin-left: 10px;
}
.not-recommended__item+.not-recommended__annotation:before {
font-size: 30px;
content: "😐";
}
.not-recommended__item:hover+.not-recommended__annotation:before {
content: "😟";
}
.not-recommended__item:focus+.not-recommended__annotation:before {
content: "😄";
}
.not-recommended__item:active+.not-recommended__annotation:before {
content: "😨";
}
footer {
background-color: #158ca5;
bottom: 0;
box-shadow: 0px 0px 10px 5px rgba(0, 0, 0, 0.5);
color: white;
display: flex;
justify-content: space-around;
left: 0;
padding: 15px;
position: fixed;
right: 0;
}
footer a {
color: white;
}
footer .center {
justify-content: center;
}