body {
    background: gray;
    font-family: Arial;
    margin: 0;
}

header {
    background: black;
    padding: 10px;
    color: white;
    border-radius: 10px;
    text-align: center;
    width: 100%;
}

nav a {
    color: white;
    text-align: center;
    padding: 20px;
    text-decoration: none;
    font-size: 18px;
}

nav a:hover{
    background-color: #0096FF;
    color: black;
}

main {

    margin-left: auto;
    margin-right: auto;
    width: 80%;
    display: flex;
    flex-direction: column;
}

main h1{
    text-align: center;
}

main img{
    display: block;
    margin-left: auto;
    margin-right: auto;
    border-radius: 4px;
}

main table{
    margin-left: auto;
    margin-right: auto;
}

main iframe{
    width: 100%;
}

.gallery{
    width: 240px;
}

.gallery_item{
    margin: 10px;
    border: 3px solid #333333;
    border-radius: 5px;
    float: left;
    width: 240px;
    background: #333333;
}

.gallery_item:hover{
    border: 1px solid #0096FF;
}

.gallery_item img{
    width: 100%;
    margin-top: 5px;
    height: auto;
}

.gallery_item .desc{
    padding: 15px;
    text-align: center;
}

table{
    border-collapse: collapse;
    width: 100%;
}

td, th{
    border: 1px solid #ddd;
    padding: 4px;
    text-align: center;
}

tr:nth-child(even){
    background-color: #f2f2f2;
}

tr:hover{
    background-color: #ddd;
}

th{
    padding-top: 8px;
    padding-bottom: 8px;
    text-align: left;
    background-color: #0096FF;
    color: white;
}

.card{
    background: white;
    border-radius: 10px;
    padding: 20px;
    margin-top: 10px;
    margin-left: 10px;
}

.row{
    display: flex;
    flex-direction: row;
}

.column{
    display: flex;
    flex-direction: column;
}

.w-20{
    width: 20%;
}

.w-80{
    width: 80%;
}

audio{
    width: 100%;
}

.w-50{
    width: 50%;
}

.gallery_container{
    display: flex;
    justify-content: center;
    width: 100%;
    flex-direction: column;
}

.w-40{
    width: 40%;
}

.w-60{
    width: 60%;
}

.w-100{
    width: 100%;
}

.reveiw_container{
    padding: 16px;
}

.inner_padding_container{
    padding: 16px;
    margin-top: 5px;
    margin-bottom: 6px;
    background-color: rgba(255,255,255,0,75);
}

.container{
    display: block;
    position: relative;
    padding-left: 35px;
    margin-bottom: 12px;
    cursor: pointer;
    font-size: 10px;
    user-select: none;
}

.w-100{
    width: 100%;
}