style.css

@keyframes pulse {
    0% {
        width: 95%;
    } 100% {
        width: 100%;
    }
}
* {
    font-family: 'Arial';
}
body {
    margin: 0;
    padding: 0;
    background: rgb(50,50,50);
background: radial-gradient(circle, rgba(50,50,50,1) 0%, rgba(39,39,39,1) 53%, rgba(0,0,0,1) 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    width: 100vw;
}
main {
    display: block;
    flex-wrap: wrap;
    width: 414px;
    height: calc(100vh - 100px);
    max-height: 736px;
    background: rgb(255,255,255);
background: radial-gradient(circle, rgba(255,255,255,1) 0%, rgba(219,219,219,1) 100%);
    margin: auto;
    border-radius: 10px;
    position: relative;
    overflow: hidden;
    transition: all 0.5s ease;
    box-shadow: 3px 3px 45px 10px black;
}
main.rotated {
    background: rgb(79,79,79);
    background: radial-gradient(circle, rgba(79,79,79,1) 0%, rgba(20,20,20,1) 100%);
}
main.rotated .grid {
    background-color: white;
}

#game-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    margin: auto;
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    transition: all 0.5s ease;
}
.grid {
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #dadada;
    margin: 5px;
    border-radius: 5px;
    color: white;
}
#lives-container {
    display: flex;
    flex-wrap: wrap;
    padding: 15px;
}
.live {
    display: block;
    height: 40px;
    width: 40px;
    margin: 5px;
}
.score-container {
    position: absolute;
    right: 15px;
    top: 15px;
    display: flex;
    flex-direction: column;
    text-align: right;
    background-color: rgb(255, 186, 58);
    color: white;
}
.score-text {
    font-size: 16px;
    text-transform: uppercase;
    background-color: #333;
    padding: 10px;
}
#score-container {
    font-size: 30px;
    padding: 5px 10px;
}
.object {
    position: absolute;
    background-color: rgb(32, 185, 255);
    border-radius: 5px;
    display: block;
    transition: all 0.3s ease;
    /* box-shadow: 3px 3px 12px -5px #333333; */
}

#start-game {
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    background-color: rgb(32, 185, 255);
    color: white;
    border: 0;
    padding: 10px 25px;
    font-size: 25px;
    letter-spacing: 1px;
    text-transform: uppercase;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 2px 2px 0px 2px #0077ff;
}
#start-game:hover {
    background-color: #0077ff;
    font-size: 23px;
}
.multiply {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: -70px;
    font-size: 35px;
    color: white;
    padding: 10px;
    background-color: rgb(32, 185, 255);
    transition: all 0.5s ease;
}
#new-object {
    display: block;
    background-color: rgb(0, 202, 101);
    color: white;
    text-transform: uppercase;
    position: absolute;
    bottom: 30px;
    transition: all 0.5s ease;
    overflow: hidden;
    height:30px;
    line-height:30px;
    font-size: 10px;
    width: 0;
}
#new-object:after {
    content: 'new object';
    display: block;
    position: absolute;
    z-index: 999;
    word-break: break-all;
    top: 0;
    left: 10px;
}
#next-multiply {
    display: block;
    background-color: rgb(32, 185, 255);
    color: white;
    text-transform: uppercase;
    position: absolute;
    bottom: 0;
    transition: all 0.5s ease;
    overflow: hidden;
    height:30px;
    line-height:30px;
    font-size: 10px;
    width: 0;
}
#next-multiply:after {
    content: 'next multiply';
    display: block;
    position: absolute;
    z-index: 999;
    word-break: break-all;
    top: 0;
    left: 10px;
}
#main-screen {
    display: flex;
    flex-wrap: wrap;
    height: 100%;
    width: 100%;
    position: absolute;
}
#game-start-counter {
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 999;
    font-size: 20em;
    color: #333;
    transform:translate(-50%, -50%);
}
.main-logo {
    margin: auto;
    /* animation-name: pulse; */
    animation-iteration-count: infinite;
    animation-direction: alternate;
    animation-duration: 1s;
}
.hide {
    display: none !important;
}
.hidden {
    visibility: hidden;
    opacity: 0;
}
.blur {
    filter: blur(4px);
}
#btn-settings {
    background-color: #333;
    border: 0;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    position: absolute;
    bottom: 50px;
    left: 15px;
    box-shadow: 2px 2px 0px 1px #1f1f1f;
    outline: none;
    cursor: pointer;
}
#btn-hiscore {
    background-color: rgb(255, 174, 0);
    border: 0;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    position: absolute;
    top: 15px;
    right: 15px;
    z-index: 11;
    padding: 10px;
    box-shadow: 2px 2px 0px 1px #ff8d00;
    outline: none;
    cursor: pointer;
}
#btn-settings img {
    display: block;
    width: 100%;
}
#btn-hiscore img {
    display: block;
    width: 100%;
}
#btn-yt {
    border: 0;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    position: absolute;
    top: 15px;
    left: 15px;
    box-shadow: 2px 2px 0px 1px #d10101;
    outline: none;
    cursor: pointer;
}
#btn-yt img {
    display: block;
    width: 100%;
}
.btn {
    background-color: rgb(63, 63, 63);
    border: 0;
    padding: 5px 10px;
    text-transform: uppercase;
    font-size: 14px;
    transition: all 0.3s ease;
    color: white;
    outline: none;
    cursor: pointer;
    border-radius: 5px;
}
.btn.active {
    background-color: rgb(90, 253, 163);
    color: #333;
    font-size: 16px;
}
#settings {
    padding: 15px;
    background-color: rgba(0, 0, 0, .5);
    position: absolute;
    left: 0;
    right: 0;
    z-index: 999;
    top: -300px;
    transition: all 0.5s ease;
}
#settings.open {
    top: 0;
}
#settings p {
    text-transform: uppercase;
    font-weight: bold;
    margin-bottom: 5px;
    color: white;
    margin-top: 0;
    font-size: 20px;
}
#settings .setting:not(:last-child) {
    margin-bottom: 25px;
}
#finish {
    display: flex;
    height: 100%;
    width: 100%;
    align-items: center;
}
.finish-container {
    display: flex;
    justify-content: center;
    flex-direction: column;
    width: 100%;
    padding: 15px;
}
#finish h1,
#finish h2,
#finish h3,
#finish p {
    text-align: center;
    margin: 0;
    color: white;
    padding: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}
#finish h1 {
    background-color: rgb(0, 197, 89);
    border-radius: 5px 5px 0 0;
}
#finish h2 {
    background-color: rgb(255, 146, 22);
}
#finish h3 {
    background-color: rgb(238, 28, 28);
    border-radius: 0 0 5px 5px;
}
#finish p {
    font-weight: bold;
    color: white;
    font-size: 18px;
    margin-top: 25px;
    background-color: rgb(171, 118, 255);
    border-radius: 5px 5px 0 0;
    margin-bottom: 0;
}
#finish input {
    text-align: center;
    color: #333;
    padding: 10px;
    border: 0;
    margin-bottom: 15px;
    margin-top: 0;
    font-size: 18px;
    outline: none;
    text-transform: capitalize;
    border-radius: 0 0 5px 5px;
    border: 2px solid rgb(171, 118, 255);
    border-top: 0;
}
#finish input.has-error,
#finish input.has-error-bad-word {
    border: 2px solid rgb(238, 28, 28);
    position: relative;
}
#finish button {
    text-align: center;
    background-color: rgb(32, 185, 255);
    color: white;
    padding: 10px;
    border: 0;
    font-size: 18px;
    outline: none;
    border-radius: 5px;
}

#hiscore-table {
    position: absolute;
    left: 0;
    right: 0;
    z-index: 10;
    padding: 15px;
    background-color: rgba(0, 0, 0, .5);
    display: flex;
    justify-content: center;
    align-items: center;
    top: -725px;
    height: 684px;
    transition: all 0.5s ease;
}
#hiscore-table.open {
    top: 0;
}
#hiscore-table table {
    border-collapse: collapse;
    max-height: calc(100% - 300px);
    display: block;
    overflow: auto;
    border-radius: 5px;
}
#hiscore-table table thead {
    background-color: rgb(243, 105, 26);
}
#hiscore-table table thead th {
    padding: 5px;
    color: white;
    letter-spacing: 1px;
    font-weight: normal;
    text-transform: uppercase;
    font-weight: bold;
}
#hiscore-table table thead th:not(:first-child) {
    min-width: 100px;
}
#hiscore-table tbody tr:nth-child(even) {
    background-color: #ff9e0d;
}
#hiscore-table tbody tr:nth-child(odd) {
    background-color: #ffc919;
}
#hiscore-table tbody td {
    padding: 5px;
    text-align: center;
    font-size: 14px;
    color: white;
    letter-spacing: 1px;
    font-weight: bold;
}
#footer {
    background-color: #333;
    color: white;
    font-size: 10px;
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;

}
#footer a {
    color: white;
    margin: 0;
    padding: 10px;
    text-align: center;
    display: block;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}
#footer a:hover {
    color: rgb(32, 185, 255);
}

@media only screen and (max-width: 414px) {
    main {
        height: 100vh;
        border-radius: 0;
    }
    #game-conainer {
        width: 100vw !important;
    }
}