body {
    font-family: sans-serif;
}

h1 {
    font-size: 25px;
    margin-top: 0;
}

.game-wrapper {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding-top: 0rem;
    padding-bottom: 1rem;
    height: 100vh;
    max-width: 100%;
}


.tiles {
    display: flex;
    justify-content: center;
    align-items: center;
    box-sizing: border-box;
    margin-bottom: 1rem;
    width: 800px;
    max-width: 100%;
    flex-wrap: wrap;
}

.options {
    display: flex;
    flex-direction: column-reverse;
    justify-content: center;
    align-items: center;
    box-sizing: border-box;
    width: 100%;
    margin-top: -0.5rem;
}

.tile-content img {
    display: flex;
    justify-content: center;
    align-items: center;
    box-sizing: border-box;
    height: 100%;
    width: 100%;
    object-fit: cover;
    object-position: center;
    padding: 0;
}

.game-button {
    background-color: lightblue;
    height: 200px;
    width: 200px;
    max-width: 100%;
    margin-right: 1em;
    margin-bottom: 1em;
    padding: 0;
    border: none;
    cursor: pointer;
}



#reset-button {
    background-color: lightcoral;
    height: 5em;
    width: 25%;
    padding: 0;
    border: none;
    font-size: 16px;
    margin-top: 0.5rem;
}

.tile-content {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 200px;
    width: 200px;
}



@media only screen and (max-width: 700px) {
    .game-wrapper {
        margin-top: 2rem;
        margin-bottom:2rem;
    }
    .game-button {
        height: 150px;
        width: 150px;
    }
    .tile-content {
        display: flex;
        justify-content: center;
        align-items: center;
        height: 150px;
        width: 150px;
    }
  }

  .hidden-tile {
    display: none;
    /* opacity: 0; */
}

.revealed-tile {
    display: block;
    /* opacity: 1; */
}

.matched-tile {
    background-color: lightgreen;
}