body {
    background-color: rgb(243, 243, 243);
    font-family: Arial, sans-serif;
    color: rgb(118, 118, 118);
}

.gallery {
    display: flex;
    flex-wrap: wrap;
    gap: 2em;
    margin: 2em;
}

.card {
    box-sizing: content-box;
    width: 20em;
    height: 31em;
    background-color: white;
    box-shadow: 0.5em 0.5em 0.5em #7b7b7b61;
}

.cardcontainer {
    transition: transform 0.8s;
    transform-style: preserve-3d;
}

.front, .back {
    backface-visibility: hidden;
}

.imgone {
    width: 20em;
    height: 13.3em;
    background: linear-gradient(rgba(255, 152, 17, 0.6), rgba(255, 152, 17, 0.6)), 
    url(wycieczka.jpg) no-repeat left top;
    background-size: 23em;
}

.imgtwo {
    width: 20em;
    height: 13.3em;
    background: linear-gradient(rgba(72, 237, 105, 0.6), rgba(72, 237, 105, 0.6)), 
    url(wycieczka2.jpg) no-repeat left top;
    background-size: 23em;
}

.content {
    margin-top: -1.5em;
    background-color: white;
    transform: skewY(-7deg);
}

.content > * {
    transform: skewY(7deg);
}

.title > h1 {
    padding: 0.4em;
    margin: 0;
    font-size: 1.7em;
    font-weight: 500;
    color: white;
    background-color: rgba(255, 152, 17, 0.7);
}

.title > h1:nth-child(1) {
    position: absolute;
    bottom: 1.6em;
    right: 0.5em;
}

.title > h1:nth-child(2) {
    position: absolute;
    bottom: 0em;
    right: 0.5em;
}

.content > p {
    margin: 0 4em;
    padding: 1em;
    border-top: 1px solid gray;
    color: rgb(63, 63, 63);
    font-size: 0.9em;
    text-align: center;
}

#first {
    border-top: 0;
    padding-top: 4em;
}

.card:hover .cardcontainer{
    transform:rotateY(180deg);
}

.back{
    transform: rotateY(180deg);
    position: absolute;
    top: 0;
    right: 0;
    width: 20em;
    height: 31em;
    color: white;
    background-color: rgba(255, 152, 17, 0.7);
    text-align: center;
}

.card-back-text {
    margin-top: 9em;
}

.card-back-price {
    margin-top: 0.5em;
    font-size: 3em;
    font-weight: 100;
}

.card-back-book {
    margin-top: 5em;
    padding: 1em 2em;
    background-color: white;
    border: 1px solid white;
    border-radius: 2em;
}