.item img{
    width: clamp(60px,25vw, 150px);
    cursor: pointer;
    border-radius: 5px;
    /* border: 5px solid #eee; */
}
.item img:hover {
    transform: translateY(-0.5rem);
    transition: all 0.3s ease;
    box-shadow: 0px 20px 30px rgba(0, 0, 0, 0.5);
}

.popup {
    display: none;
    position: fixed;
    z-index: 100;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}
/* popup content */
.popup-content {
    background-color: #fefefe;
    margin: 7vh auto;
    padding: 30px;
    border: 1px solid #888;
    width: 80%;
    height: 80%;
    overflow-y: auto;
}
.popup-content h3 {
    margin:  10px 5vw 20px;
    border-bottom: 3px solid #142164;
}
.popup-content p {
    margin:  10px 5vw 20px;
}
.popup-content audio {
    margin-bottom: 5px;
}
.popup-content img {
    width: 100%;
    height: auto;
    display: block;
    max-height: none;
    margin-bottom: 5px;
}
.popup-content video {
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
    display: block;
    margin: 0 auto;
}
/* close btn */
.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
}
.close:hover,
.close:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
}

#SDGs {
    margin-left: 10vw;
}
#SDGs img {
    max-width: 120px;
    height: auto; 
}
@media (max-width: 850px) {
    #SDGs {
        margin-left: auto;
        text-align: center;
    }
}