@import "https://fonts.googleapis.com/css2?family=Quicksand:wght@700&display=swap";
* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

body,
input,
button {
    font-family: poppins, sans-serif;
}

input,
button {
    font-size: 16px;
}

.header {
    padding: 15px;
    
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgb(133, 97, 34);
    color: #ffffff;
}



main {
    max-width: 800px;
    width: 100%;
    margin: 0px auto;
    padding: 16px;
}

.input_section {
    display: flex;
    flex-direction: column;
    padding: 16px;
    border: 1px solid #000;
    border-radius: 10px;
}

.input_section>h2 {
    text-align: center;
    color: rgb(133, 97, 34);
}

.input_section>form>.input {
    margin: 8px 0;
}

.input_section>form>button {
    background-color: rgb(133, 97, 34);
    color: #fff;
    border: 0;
    border-radius: 5px;
    display: block;
    width: 100%;
    padding: 8px;
    cursor: pointer;
}

.input_section>form>button>span {
    font-weight: 700;
}

.input_section>form>.input>input {
    display: block;
    width: 100%;
    padding: 8px;
    border-radius: 5px;
}

.input_section>form>.input>label {
    color: rgb(133, 97, 34);
    font-weight: 700;
}

.input_section>form>.input_inline {
    margin: 12px 0;
    display: flex;
    align-items: center;
}

.input_section>form>.input_inline>label {
    color: rgb(133, 97, 34);
    font-weight: 700;
    margin-right: 10px;
}

.search_section {
    margin: 16px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 16px;
    border: 1px solid #000;
    border-radius: 10px;
}

.search_section>h2 {
    color: rgb(133, 97, 34);
}

.search_section>form {
    padding: 5px;
    width: 100%;
    display: grid;
    grid-template-columns: auto 1fr 0.5fr;
    grid-gap: 10px;
}

.search_section>form>label {
    display: flex;
    align-items: center;
}

.search_section>form>input {
    padding: 5px;
    border-radius: 5px;
    min-width: 100px;
}

.search_section>form>button {
    background-color: rgb(133, 97, 34);
    color: #fff;
    border: 0;
    border-radius: 5px;
    cursor: pointer;
}

.book_shelf {
    margin: 16px 0 0;
    border: 1px solid #000;
    padding: 16px;
    border-radius: 10px;
}

.book_shelf>h2 {
    color:rgb(133, 97, 34);
}

.book_shelf>.book_list {
    padding: 16px;
}

.book_shelf>.book_list>.book_item {
    padding: 8px 16px 16px;
    border: 1px solid #000;
    border-radius: 5px;
    margin: 10px 0;
}

.book_shelf>.book_list>.book_item>h3,
p {
    margin: 8px 0;
}

.book_shelf>.book_list>.book_item>.action>button {
    border: 0;
    padding: 5px;
    margin: 0 5px 0 0;
    border-radius: 5px;
    cursor: pointer;
}

.book_shelf>.book_list>.book_item>.action>.green {
    background-color: #006400;
    color: #fff;
}

.book_shelf>.book_list>.book_item>.action>.red {
    background-color: #8b0000;
    color: #fff;
}

@media only screen and (min-width: 1025px) {
    main {
        min-width: 1430px;
        display: flex;
    }
    .book_shelf {
        margin: 0 0 16px;
        border: 1px solid #000;
        padding: 16px;
        border-radius: 10px;
    }
    .line-1 {
        flex-basis: 30%;
        margin-right: 30px;
    }
    .line-2 {
        flex-basis: 30%;
        margin-right: 30px;
    }
    .line-3 {
        flex-basis: 30%;
    }
}

header h1 sub em {
    font-size: 14px;
}