/* #273A5E dark   - #51AADF light */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.background {
    width: 100%;
    height: 100vh;
    background-image: url(img/background1.png);
    z-index: 100;
}

.wrapper {
    display: flex;
    width: 370px;
    height: auto;
    flex-direction: column;
    margin: 0 auto;
    background-color: #273A5E;
    border: solid 7px white;
}


.side-left {
    background: #273A5E;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    margin: 0 auto;
}

.left-book-img {
    padding-top: 20px;
    max-width: 350px;
    width: auto;
}

#button_book {
    width: 200px;
    height: 40px;
    background: rgb(81, 170, 223, 0.7);
    text-align: center;
    margin-top: 5px;
    box-shadow: 1px 1px 7px 0;
}

.txt_book_button {
    line-height: 40px;
    color: white;
    font-weight: bold;
}

ul {
    margin: 0;
    width: 200px;
    background: rgb(240, 239, 239);
    list-style: none;
    display: none;
    text-align: center;
    line-height: 20px;
}

.open li {
    color: black;
    padding: 15px;
}

.open + ul {
    display: block;
}

.description-list {
    margin: 10px 0;
}

dt {
    font-weight: bold;
}

/* Middle*/

.main-middle {
    width: 100%;
    background-color:
        #51AADF;
    display: flex;
    flex-direction: column;
    align-content: center;
}

.book-name {
    width: 90%;
    text-align: center;
    font-weight: bold;
    padding: 20px;
}

.book-description {
    margin: 20px;
    padding: 5px;
    background-color: rgb(39, 58, 94, 0.1);
}

.buyButton {
    background-color: white;
    box-shadow: 1px 1px 10px 0px #fff;
    border-radius: 10%;
    padding: 4px;
    margin: 4px;
}
.buyButton a{
     color: #000000;
    text-decoration: none;
}

.buyButton:hover {
    transform: translateY(4px) translateX(4px);
    box-shadow: 1px 1px 3px 0px #faf8f8;
}


h2 {
    padding: 20px;
}

@media only screen and (min-width:768px) {
    .wrapper {
        display: flex;
        width: 100%;
        flex-direction: row;
        margin: 0 auto;
        width: 500px;
    }
}


@media only screen and (min-width:1200px) {
    .wrapper {
        width: 600px;
    }

}