html {
    box-sizing: border-box;
}

*,
*:before,
*:after {
    box-sizing: inherit;
}

table {
    border-collapse: separate;
    text-indent: initial;
    border-spacing: 2px;
}

.detail-box form {
    display: inline;
}

#posted-books button {
    background: #665500;
    text-align: center;
    color: #fef6cc;
    font-size: 10pt;
    border-radius: 12px;
    margin: 5px auto;
    cursor: pointer;
}

button, input {
    background: #665500;
    text-align: center;
    color: #fef6cc;
    font-size: 10pt;
    border-radius: 12px;
    margin: 5px auto;
    cursor: pointer;
}

body {
    background-image: url(https://i.pinimg.com/originals/67/18/22/671822c2f63dd5f65d8fd15c9710420b.jpg);
    font-family: sans-serif;
    padding: 20px;
}

h1 {
    font-size: 40px;
    margin-top: 0;
    margin-bottom: 15px;
    background-color: burlywood;
}

.topnav {
    background-color: burlywood;
    overflow: hidden;
}

.topnav a {
    float: left;
    color: black;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    font-size: 17px;
}

.topnav a:hover {
    background-color: #ddd;
    color: black;
}

.topnav a.active {
    background-color: darkgoldenrod;
    color: white;
}

h2 {
    background-color: darkgoldenrod;
}

img {
    display: block;
    margin-left: auto;
    margin-right: auto;
    margin-top: -25;
    max-width: 10%;
    max-height: 10%;
}

.menu {
    width: 80%;
    background-color: burlywood;
    margin-left: auto;
    margin-right: auto;
    padding: 20px;
    max-width: 700px;
}

.title {
    display: inline-block;
    text-align: left;
    width: 65%;
}

.price {
    display: inline-block;
    text-align: right;
    width: 25%;
}

.email {
    text-align: left;
    width: 25%;
}

.item p {
    margin-top: 5px;
    margin-bottom: 5px;
    font-size: 18px;
}


/* input {
    background: darkgoldenrod;
    text-align: center;
    color: black;
    font-size: 10pt;
    border-radius: 12px;
    margin: 5px auto;
    cursor: pointer;
} */

p.errors {
    display: inline;
    color: red;
}

div .error {
    display: inline;
    color: red;
}

#books4sale div.content {
    cursor: pointer;
}

#books4sale div.content:hover {
    background: #dcd4aa;
}