* {
    margin: 0;
    padding: 0;
}

/*----- Line Styling -----*/
hr {
    border: 0;
    border-top: 2px solid gold;
    margin: 10px 0;
}

/*------- header -------*/
header h1 {
    font-family: Inter, serif;
    color: #663333;
    justify-self: center;
    margin: 10px;
}

header nav ul {
    display: flex;
    flex-flow: nowrap row;
    justify-content: right;
    list-style-type: none;
}

header nav ul li {
    justify-self: center;
    margin: 5px 30px;
}

header nav ul li a {
    text-decoration: none;
    color: #990000;
    font-size: 18px;
}

/*------- Main -------*/

#mobile-line-top {
    display: block;
    margin-top: 50px;
}

.vertical-line {
    display: none;
}

/*------- Sub1 -------*/
.book-container {
    display: block;
}

.book-container hr {
    grid-column: 1/3;
    grid-row: 1/2;
    align-self: center;
}

.book-container .sub1 {
    display: grid;
    grid-template-columns: 175px;
    grid-template-rows: 30px 30px 30px 30px;
    /*margin-top: 15px;*/
    margin-left: 5px;
    padding-left: 300px;
}

.book-container .sub1 .date {
    grid-column: 1/2;
    grid-row: 1/2;
    align-self: center;
    text-align: right;
    padding-right: 30px;
}
.book-container .sub1 .age {
    grid-column: 1/2;
    grid-row: 2/3;
    align-self: center;
    text-align: right;
    padding-right: 30px;
}
.book-container .sub1 .genre {
    grid-column: 1/2;
    grid-row: 3/4;
    align-self: center;
    text-align: right;
    padding-right: 30px;
}
.book-container .sub1 .stars {
    grid-column: 1/2;
    grid-row: 4/5;
    align-self: center;
    text-align: right;
    padding-right: 30px;
}

/*------- Sub2 -------*/

.book-container .sub2 {
    display: grid;
    grid-template-columns: 4fr;
    grid-template-rows: 1fr 4fr 1fr;
    padding-right: 30px;
}

.book-container .sub2 .title {
    grid-column: 1/2;
    grid-row: 1/2;
    align-self: center;
    padding-left: 30px;
    font-size: 25px;
}

.book-container .sub2 .image {
    grid-column: 1/2;
    grid-row: 2/3;
    justify-self: center;
    align-self: center;
    width: 40%;
    /*padding: -5px 5px -5px 5px;*/
    /*padding: 10px;*/
    padding: -30px;
}

.book-container .sub2 .desc {
    grid-column: 1/2;
    grid-row: 3/4;
    align-self: center;
    text-align: left;
    padding: 10px 0 10px 30px;
 }

.book-container .sub2 h2 {
    font-family: Inter, serif;
    color: #CC0000;
    font-size: 27px;
}

/*------- Footer -------*/

footer hr {
    margin: 0;
}
footer p {
    justify-self: center;
    align-self: center;
    padding: 15px;
    margin: 0;
}

@media screen and (min-width: 700px) {
    #mobile-line-top {
        display: none;
    }

    .book-container {
        display: flex;
        flex-flow: row nowrap;
        margin: 30px 50px 30px 50px;
        padding: 0 200px;
    }

    .vertical-line {
        display: flex;
        flex-flow: column nowrap;
        border: 2px solid gold;
        margin: 0 10px;
        align-self: stretch;
    }

    .book-container .sub1 {
        padding: 0;
    }

    .book-container .sub2 .image {
        width: 200px;
        height: auto;
    }
}