.paranav {
    width: 80%;
    line-height: 1.5;
    margin: 1rem auto 0;
    background-color: #02090e;
    display: flex;
}

@media (max-width: 1280px) {
    .paranav {
        width: 90%;
        line-height: 1;
        background-color: #02090e;
        display: flex;
    }
}

.paratag {
    font-size: 1.5rem;
    width: 33.3333%;
    padding: 15px 0;
    display: inline-block;
    text-align: center;
    cursor: pointer;
}

.paratag+.paratag {
    margin-left: 2px;
}

#paratag-0 {
    background-color: #1C9184;
    color: #ddd;
    opacity: 100%;
}

#paratag-1 {
    background-color: #1C9184;
    color: #02090e;
    opacity: 50%;

}

#paratag-2 {
    background-color: #1C9184;
    color: #02090e;
    opacity: 50%;

}

.parapage.x {
    display: none;
}

/* bioart timeline */
.items {
    display: flex;
    padding: 0;
    padding-bottom: -2rem;
    box-sizing: border-box;
}

.items .item {
    width: 33.3333%;
    display: flex;
    flex-direction: column;
    cursor: pointer;
    font-size: 0.8rem;
}

.items #item1 {
    text-align: left;
}

.items #item2 {
    text-align: center;
}

.items #item3 {
    text-align: right;
}

.circle {
    width: 40px;
    height: 40px;
    border-radius: 100px;
    background-color: white;
    border: 2px solid #00ADB5;
    z-index: 1;

    box-sizing: border-box;
    margin-top: 1rem;
}

#circle1 {
    margin-right: auto;
}

#circle2 {
    margin-right: auto;
    margin-left: auto;
}

#circle3 {
    margin-left: auto;
}

.line {
    margin-top: 50px;
    position: relative;
}

.line::after {
    content: '';
    width: 100%;
    height: 3px;

    position: absolute;
    bottom: 20px;
    left: 0;

    display: block;
    background: #00ADB5;
}

.edu-content {
    box-sizing: border-box;
    padding: 0;
    margin: 100px 0;
    display: none;
    border: #00ADB5 2px solid;
    border-radius: 1rem;
    padding: 2rem;
}

.artist {
    display: flex;
}

.artist-photo {
    width: 25%;
    aspect-ratio: 1/1;
    margin-right: 2rem;
}

.artist-text {
    width: 75%;
}

.artist-photo img {
    width: 100%;
    aspect-ratio: 1/1;
    border-radius: 50%;
}

.workshop-videos {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.workshop-videos iframe {
    aspect-ratio: 16/9;
    width: 50%;
    /* border: #00000000 0.5rem solid; */
    box-sizing: border-box;
}


.pdf-container {
    display: block;
    width: 100%;
    text-align: center;
    margin: 2rem auto;
}

.pdf-container *+* {
    margin-left: 2rem;
}

.pdf-iframe {
    box-sizing: border-box;
    border: 5px solid #fff;
    width: 13.5rem;
    height: 18rem;
}

.pdf-container img {
    box-sizing: border-box;
    height: 18rem;
}

#rpg-demo {
    width: 100%;
    aspect-ratio: 16/9;
    box-sizing: border-box;
    margin-bottom: 1rem;
}

/* bioart exh */
.bioart-gallery {
    display: block;
    box-sizing: border-box;
    width: 100%;
    margin: 2rem 0;
    position:relative;
}
.bioart-gallery button {
    position: absolute;
    top: 50%;
    background-color: #00000000;
    color: #ddd;
    font-size: 2rem;
    border: 0;
    cursor: pointer;
}
#next-art-btn {
    right: 0;
}
#prev-art-btn {
    left: 0;
}
.bioart-photo {
    display: none;
    width: 80%;
    margin: 0 auto;
}