.memory-game {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto 3em auto;
    padding: 0 0 5em 0;
    position: relative;
}

.memory-board {
    width: 100%;
    margin: 0;
    padding: 0;
    position: relative;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(15.5%, 1fr));
    grid-gap: 4% 2%;
}

.memory-card-item {
    width: 100%;
    height: 100%;
    perspective: 1000px;
    background-color: transparent;
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.memory-card-item.visible .memory-card-item-inner {
    transform: rotateY(180deg);
}

.memory-card-item.no-match:before {
    content: '';
    width: 100%;
    height: 100%;
    z-index: 1;
    position: absolute;
    top: 0;
    left: 0;
    background-color: rgba(255, 50, 50, 0.5);
}

.memory-card-item.solved .memory-card-item-inner {
    transform: rotateY(180deg);
}

.memory-card-item:nth-child(n+1) {
    transform: rotate(1.2deg);
}

.memory-card-item:nth-child(2n+1) {
    transform: rotate(-1.8deg);
}

.memory-card-item:nth-child(3n+1) {
    transform: rotate(1.4deg);
}

.memory-card-item:nth-child(4n+1) {
    transform: rotate(-1.4deg);
}

.memory-card-item:nth-child(5n+1) {
    transform: rotate(1.8deg);
}

.memory-card-item:nth-child(6n+1) {
    transform: rotate(0.8deg);
}

.memory-card-item:nth-child(7n+1) {
    transform: rotate(-1.2deg);
}

.memory-card-item-inner {
    width: 100%;
    padding-top: 100%;
    display: block;
    text-align: center;
    position: relative;
    transition: transform 0.25s;
    transform-style: preserve-3d;
}

.memory-card-item-front,
.memory-card-item-back {
    top: 0;
    position: absolute;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

.memory-card-item-front {
    padding: 20px;
    color: black;
    cursor: pointer;
    box-shadow: inset 0 0 8px rgba(0,0,0, 0.25);
    transition: all 150ms ease-in-out;
    background-repeat: no-repeat;
    background-size: cover;
}

.memory-card-item-back {
    color: white;
    transform: rotateY(180deg);
}

.memory-card-item img {
    height: 100%;
}




.memory-ui {
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 20px;
    background-color: rgba(255,255,255,0.65);
}
.memory-ui {
    display: flex;
}

#memory-cloud {
    fill: #97bf0d;
}

#memory-moves-wrapper {
    text-align: start;
    writing-mode: lr-tb;
    direction: ltr;
    text-anchor: middle
}

#memory-moves {
    font-family: Arial
    font-weight: 500;
    font-size: 36px;
    fill: #315a15;
    stroke-width: 0
}
.memory-ui svg {
    width: 150px;
}




.memory-slider {
    width: 300px;
    height: auto;
    margin-left: -150px;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 1.0;
    position: absolute;
    left: 50%;
    top: 60%;
    transform: scale(1.0);

    visibility: hidden;
    backface-visibility: hidden;
}

.memory-slider.no-match {
    color: #315a15;
    font-size: 40px;
    font-weight: 600;
    text-transform: uppercase;
    text-shadow: #fff 0 1px 1px;
}

.memory-slider.match {
    color: #97bf0d;
    font-size: 40px;
    font-weight: 600;
    text-transform: uppercase;
    text-shadow: #fff 0 1px 1px;
}

.memory-slider.show {
    visibility: visible;
    transition: all 1000ms;
}

.memory-slider.show.slideUp {
    top: 50%;
    opacity: 0.0;
}




.memory-game .play-button {
    color: #315a15;
    border: 2px solid #97bf0d;
    border-radius: 2rem;
    height: 4rem;
    margin: 1em 0;
    line-height: 4rem;
    padding: 0 2.5rem;
    background: #fff;
    font-size: 1.0625rem;
    box-shadow: 1px 8px 8px #33333326;
}

.memory-game .play-button:hover {
    background: #315a15;
    color: #fff;
}




.memory-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    width: 640px;
    max-width: 90%;
    height: auto;
    z-index: 200000;
    visibility: hidden;
    backface-visibility: hidden;
    transform: translateX(-50%) translateY(-50%);
}

.memory-modal-stage {
    margin: 0 auto;
    color: #333333;
    position: relative;
    border-radius: 3px;
    overflow: hidden;
    box-shadow: 0 0 2px rgba(0,0,0,0.15);
}

.memory-modal-body {
    padding: 20px;
    background-color: #97bf0d;
}

.memory-modal-close-button {
    margin: 0;
    padding: 0;
    width: 40px;
    height: 40px;
    font-size: 32px;
    line-height: 40px;
    cursor: pointer;
    z-index: 2;
    position: absolute;
    right: 0;
    top: 0;
    border: 0;
    background-color: transparent;
    appearance: none;
}

.memory-modal-close-button:hover {
    color: white;
    background-color: #f43030;
}

.memory-modal-show {
    visibility: visible;
}

.memory-modal-fadeIn .memory-modal-stage  {
    opacity: 0.0;
    transform: scale(0.7);
    transition: all 300ms;
}

.memory-modal-show.memory-modal-fadeIn .memory-modal-stage {
    transform: scale(1.0);
    opacity: 1.0;
}
