style.css

.wrapper {
    display: flex;
    flex-direction: column;
    height:100%;
    width:100%;                               
    justify-content: center;
    align-items: center;
    font-family: Arial, Helvetica, sans-serif;
}

.tools {
    background-color: #f78fb3;
    width: 10rem;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.tools .title {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.tools .type-input-trio {
    display: flex;
    flex-direction: row;
    margin: 1em;
}

.tools .type-input-trio-label {
    margin-right: .75em;
}

.tools .type-input {
    width: 100%;
    height: 2em;
    font-size: larger;
    background-color: unset;
    color: inherit;
}

.tools .button {
    width: 100%;
    height: 5em;
    font-size: larger;
    background-color: #f78fb3;
    color: #fff;
    border: unset;
    border-radius: 1em;
    box-shadow: 0px 2px 1px -1px rgb(0 0 0 / 20%), 0px 1px 1px 0px rgb(0 0 0 / 14%), 0px 1px 3px 0px rgb(0 0 0 / 12%);
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.book-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 20rem;
    height: 15rem;
    display: flex;
    flex-direction: column;
    border: unset;
    background-color: #8cbceb;
    padding: 1em;
    border-radius: 1em;
    margin: 1rem;
    box-shadow: 0px 2px 1px -1px rgb(0 0 0 / 20%), 0px 1px 1px 0px rgb(0 0 0 / 14%), 0px 1px 3px 0px rgb(0 0 0 / 12%);
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.book-info .book-name {
    font-size: 1.5rem;
    font-weight: bold;
    color: #fff;
    margin-bottom: 1em;
}

.book-info .book-text {
    color: #fff;
}

.preview {
    width: 100%;
    height: 20rem;
    background-color: #8cbceb;
}