@import url(reset.css);

body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: #fc1e8a;
    user-select: none;
}

.container {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 30px;
    background: linear-gradient(
            325deg,
            #03001e 0%,
            #7303c0 30%,
            #ec38bc 70%,
            #fdeff9 100%
    ); /* https://cssgradient.io */
    padding: 40px 60px;
    height: calc(100vh - 1.5cm);
}

h2 {
    font-size: 3em;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.reset {
    padding: 15px 20px;
    width: 100%;
    color: #000;
    background-color: #fff;
    border: none;
    font-size: 1.5em;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    cursor: pointer;
    font-weight: 600;
}

.reset:focus {
    color: #ec38bc;
    background-color: #262809;
}

.game {
    width: 430px;
    height: 430px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    transform-style: preserve-3d;
    perspective: 500px;
}

.item {
    position: relative;
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    font-size: 3em;
    transform: rotateY(180deg);
    transition: 0.25s;
}

.item::after {
    content: "";
    position: absolute;
    inset: 0;
    background: #404040;
    /*opacity: 0.8;*/
    transform: rotateY(0deg);
    transition: 0.25s;
    backface-visibility: hidden;
}

.item.boxOpen {
    transform: rotateY(0deg);
}

.boxOpen::after,
.boxMatch::after {
    transform: rotateY(180deg);
}

footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 0.5cm;
    background-color: #000;
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1em;
    border-top: 1px solid white;
    z-index: 1000;
}

footer a{
    color: #7d04c7;
}