body {
    font-family: sans-serif;
    background-color: #0D0D0D;
    color: #fff;
    margin: 0;
    padding: 0;
    width: 100%;
}

header {
    background-color: #333;
    color: #fff;
    padding: 10px;
    text-align: center;
}

main {
    margin: 10px;
    display: flex;
    max-height: 100%;
    color: #fff;
}

footer {
    background-color: #333;
    color: #fff;
    padding: 10px;
    text-align: center;
}


nav {
    background-color: #333;;
    padding: 10px;
    text-align: center;
    color: #fff;
}

nav ul {
    list-style-type: none;
    padding: 0;
}

nav li {
    margin: 10px 0;
}

nav a {
    text-decoration: none;
    color: #fff;
}


/* Structures and Search container: used on search and Structures menu */

.search-and-structure {
    border-bottom: 2px solid #333;
    border-top: 2px solid #333;
    width: 100%;
    margin-inline: 1rem;
    padding: 1rem;
    overflow: auto;
}



/* Filter Container: used on Nav And Filter, and used on Structures Per Page menus.*/

.aside-container {
    border: 2px solid #333;
    width: 20%;
}

.aside-container div {
    padding: 10px;
    width: 90%;
}
.aside-container h3 {
    margin: 10px 0;
    text-align: center;
    padding: 10px;
    border-top: 2px solid #333;
    border-bottom: 2px solid #333;
}

.aside-container button {
    display: block;
    width: 100%;
    background-color: #333;
    border: 2px solid #333;
    border-radius: 5px;
    padding: 5px;
    cursor: pointer;
    margin: 10px 0;
    color: #fff;
}

.filter-menu {
    overflow: auto;
}

.filter-group {
    display: block;
    width: 100%;
}

.filter-group label {
    display: block;
}

.filters-button {
    display: block;
    margin: 10px 0;
    width: 100%;
}




.pagination-button {
    margin: 10px 0;
    background-color: #333;
    color: #fff;
    border: 2px solid #333;
    border-radius: 5px;
    padding: 5px;
    cursor: pointer;
    margin: 1px;
    text-align: center;
    align-items: center;
}

.pagination-page-button {
    margin: 10px 0;
    color: #333;
    border: 2px solid #333;

    padding: 5px;
    cursor: pointer;
    margin: 1px;
}

.pagination-page-button:hover {
    background-color: #333;
    color: #fff;
}

.structure-list {
    display: block;
    margin: 10px;
    align-content: center;
    justify-content: center;
}



.structure-container {
    margin: 10px;
    border: 2px solid #333;
    background-color: #1A1A1A;
    display: block;
    align-items: center;
    width: 100%;
}

.container-main-info {
    display: flex;
    margin: 10px;
    align-items: center;
    justify-content: left;
}

.container-main-info img {
    width: 14%;
    margin: 10px;
}

.container-main-info p {
    margin: 5px;
}

.container-info-grid {
    display: grid;
    width: 100%;
    align-items: center;
    justify-content: left;
    grid-gap: 0px;
}

.container-button-panel {
    display: flex;
    margin: 10px;
    padding: 10px;
    align-items: center;
    justify-content: center;
    border-bottom: 2px solid #333;
}

.container-button-panel button {
    display: block;
    width: 100%;
    background-color: #333;
    color: #fff;
    border: 2px solid #333;
    border-radius: 5px;
    padding: 5px;
    cursor: pointer;
    margin: 10px;
    font-size: 1rem;
}

.container-extra-info {
    display: flex;
    margin-bottom: 10px;
    color: #909090;
}

.container-extra-info p {
    margin: 10px;
}



/* Structure Page */

.structure-detail { /* base on search-and-structure */
    border-bottom: 2px solid #333;
    border-top: 2px solid #333;
    width: 100%;
    margin-inline: 1rem;
    padding: 1rem;
    overflow: auto;
}

.structure-detail nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #0D0D0D;
    border-bottom:2px solid #333;
}

.structure-detail nav button {
    display: block;
    width: 100%;
    background-color: #333;
    color: #fff;
    border: 2px solid #333;
    border-radius: 5px;
    padding: 5px;
    cursor: pointer;
    margin: 10px;
    font-size: 1rem;
}

.structure-detail-header {
    display: flex;
    margin: 10px;
    align-items: center;
    justify-content: left;
}

.structure-detail-header img {
    width: 14%;
    margin: 10px;
}

.structure-detail-segment {
    display: grid;
    width: 100%;
    align-items: center;
    justify-content: left;
    grid-gap: 0px;
    border-bottom: 2px solid #333;
}

/*Search bar*/

.search-bar {
    justify-content: center;
    align-items: center;
    background-color: #333;
    color: #fff;
    border: 2px solid #333;
    border-radius: 5px;
    padding: 5px;
    cursor: pointer;
    margin: 10px;
    width: 550px;
    height: 25px;
}

.search-button {
    background-color: #333;
    color: #fff;
    border: 2px solid #333;
    border-radius: 5px;
    padding: 5px;
    cursor: pointer;
    font-size: 1rem;
    margin: 10px;
    width: 200px;
    height: 37px;
}

.random-structure-div {
    display: block;
    justify-content: center;
    align-items: center;
    width: 100%;
}

.random-structure-div img {
    /*flex the image to fit the container*/
    width: 100%;
    height: 100%;
}

.random-structure-div p {
    max-width: 100%;
    /*do not change the size of the container*/
    width: 100%;
    /*center the text*/
    text-align: center;
}


.author-button-panel {
    display: flex;
    /*wrap the buttons*/
    flex-wrap: wrap;
    margin: 10px;
    padding: 10px;
    align-items: center;
    justify-content: center;
}

.author-button-panel button {
    display: block;
    width: 40%;
    background-color: #333;
    color: #fff;
    border: 2px solid #333;
    border-radius: 5px;
    padding: 5px;
    cursor: pointer;
    margin: 10px;
    font-size: 1rem;
}