@import url("https://fonts.googleapis.com/css?family=Poppins:400");

[type="radio"] {
    display: none;
}

label {
    padding: 0.25rem 0.75rem;
    border-radius: 0.25rem;
    cursor: pointer;
    transition: 0.25s;
}

[type="radio"]:checked+label {
    background: gold;
}

[type="radio"]:nth-of-type(2):checked~.gallery .card:not(.animals),
[type="radio"]:nth-of-type(3):checked~.gallery .card:not(.nature),
[type="radio"]:nth-of-type(4):checked~.gallery .card:not(.people),
[type="radio"]:nth-of-type(5):checked~.gallery .card:not(.tech) {
    display: none;
}

.gallery {
    display: grid;
    /*justify-content: center;*/
    grid-template-columns: repeat(auto-fit, 300px);
    /*grid-auto-rows: 1fr;*/
    grid-gap: 1rem;
    padding: 0.5rem;
    margin-top: 1rem;
}

.card {
    margin: 0;
    background: darkslateblue;
    border-radius: 0.25rem;
    overflow: hidden;
    box-shadow: 0 0 10px silver;
    transition: box-shadow 0.35s;
}

.card:hover {
    box-shadow: 0 0 25px #0009;
}

.card__image {
    width: 100%;
    object-fit: cover;
}

.card__caption {
    font-weight: bold;
    font-variant: small-caps;
    padding: 0.5rem;
    text-align: center;
    color: gold;
}

/* Donate layer */
.donate {
    position: fixed;
    bottom: 0.25rem;
    right: 0.25rem;
    border-radius: 0.5rem;
    background-color: whitesmoke;
    padding: 0 1rem;
    font-weight: bold;
    color: dimgray;
}

.donate a {
    text-decoration: none;
    color: orangered;
    border-bottom: 2px solid transparent;
    transition: 0.35s;
}

.donate a:hover {
    border-bottom-color: orangered;
}