body {
    background-color: black;
    position: relative;
}

#title-header {
    color:white;
    padding-top:10px;
    text-align: center;
    height: 40px;
    font-size: 3em;
    font-family:'Times New Roman', Times, serif;
}

#header-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    height: 5px;
    margin-top: 70px;
    margin-bottom: 15px;
    font-family: 'Times New Roman', Times, serif;
}

.header-button {
    margin-left: 30px;
    margin-right: 30px;
    color:white;
    text-decoration: none;
}

.photo-category{
    margin: 0; 
    padding: 0; 
    border: 0;
    display: grid;
    justify-items: center;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 10px;
}

#page-categories {
    justify-content: center;
    align-items: center;
    margin-top: 20px;

}

.photo-wrapper {
    margin: 10px;
    height: 250px;
    cursor: pointer;
}

.photo-caption {
    text-align: center;
    color: white;
    margin: 5px;
}

#photo-display {
    width: 100%;
    height: 100%;
    visibility: hidden;
    justify-items: center;
    align-items: center;
    position: fixed;
    display: block;
    top: 0px;
    background-color: rgba(0,0,1,0.6);
}

#display-background {
    width: 100%;
    height: 100%;
    color: gray;
    opacity: 50%;
    position: absolute;
    top: 0;
    left: 0;
    visibility: inherit;
    z-index: 150;
    cursor: pointer;
}

#displayed-photo {
    margin-top: 100px;
    z-index: 200;

}

.display-text{
    color:wheat;
}

.blur{
    filter: blur(8px);
    transition: filter 0.3s ease;
}

#gallery-header-link {
    visibility: hidden;
    display: none;
    cursor: pointer;
}

#gallery-header-unlink {
    cursor: pointer;
    text-decoration: underline;
}

.about-text {
    visibility: visible;
    font-family: 'Times New Roman', Times, serif;
    color: white;
    text-align: center;
    margin: 10px;
    width: 270px;
    align-self: center;
    font-size: medium;
}