:root {
    --height: 300px;
    --width: 550px;
}

body {
    font-family: "Roboto";

    background-image: url("background.svg");
    background-color: black;
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;

    display: flex;
    justify-content: center;
    align-items: center;

    padding: 0;
    margin: 0;
    height: 100vh;
    width: 100vw;
}

.card-container {
    width: var(--width);
    height: var(--height);
    perspective: 1000px;
}

.card {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 1s;
    transform-style: preserve-3d;
}

.card-container:hover .card, #flip:target {
    transform: rotateX(180deg);
}

.card .front, .card .back {
    background-image: url("noise.png");
    background-repeat: repeat;

    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;

    border-radius: 10px;
    background-color: white;
}

.card .front {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
}

.card .front img {
    border-radius: 50%;
    max-height: 200px;
}

.card .front .name h1 {
    text-align: left;
    margin: 0 0 10px 0;
    padding: 0;
}

.card .front .name ul {
    padding: 0 0 0 20px;
    margin: 0;
    list-style: square;
}

.card .back {
    transform: rotateX(180deg);

    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-evenly;
}

.card .back ul {
    list-style: none;
    text-align: left;
    padding: 0;
    margin: 0;
}

.card .back ul li {
    margin: 5px 0;
}

.card .back ul li i {
    width: 20px;
    margin-right: 10px;
    text-align: center;
}

.card .back .interests {
    font-size: 1.5em;
    letter-spacing: 0.3em;
    line-height: 1.6em;
    text-align: center;
}

.card .flip-button {
    position: absolute;
    right: 0;
    bottom: 0;
    padding: 0 20px 10px 0;

    font-size: 1.5em;
    color: gray;
}

.mobile-visible {
    visibility: visible;
}

a {
    font-style: normal;
    text-decoration: none;
    color: black;
}

@media (hover: hover) {
    .mobile-visible {
        visibility: hidden;
    }
}

@media only screen and (max-width: 600px) {
    :root {
        --height: 550px;
        --width: 300px;
    }
    .card .front, .card .back {
        flex-direction: column;
    }
    .card-container:hover .card, #flip:target {
        transform: rotateY(180deg);
    }
    .card .back {
        transform: rotateY(180deg);
    }    
}