.hidden {
    display: none;
}

section#initial-popup {
    width: 100%;
    height: 100%;
    position: fixed;
    overflow-y: hidden;
    z-index: 1;

    opacity: 0;
    transition: opacity 1s .5s;
}
section#initial-popup.show {
    display: block;
    opacity: 1;
}
section#initial-popup::before {
    content: '';
    position: absolute;
    inset: -5px;
    filter: blur(3px);
    background-image: url(../../images/many\ monarchs.jpg);
    background-position: center top;
    background-repeat: no-repeat;
    background-size: cover;
    z-index: -1;
}

div#popup-outer-container {
    width: 100%;
    height: 100%;
    position: fixed;
    overflow-y: scroll;
}
@media only screen and (min-width: 1441px) {
    div#popup-outer-container {
        display: flex;
        align-items: flex-start;
        justify-content: center;
        > div#popup-inner-container {
            max-width: 1500px;
            margin: 50px 180px;
        }
    }
}

div#popup-inner-container {
    background-color: var(--white);
    max-width: 75vw;
    margin: 50px auto;
    padding: 50px 65px;
    text-align: center;
}
@media only screen and (max-width: 768px) {
    div#popup-inner-container {
        align-self: center;
        padding: 50px 40px;
        min-width: 90%;
    }
}
@media only screen and (max-width: 550px) {
    div#popup-inner-container {
        padding: 30px 20px;
    }
}
@media only screen and (max-width: 375px) {
    div#popup-inner-container {
        min-width: 100%;
        margin: 50px 0;
    }
}

header#popup-header {
    margin-bottom: 35px;
}
div#popup-main > * {
    margin-bottom: 35px;
}

ul#popup-list {
    list-style: none;
    padding-left: 0;
    font-size: var(--main-txt);
}

div#popup-btns {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    column-gap: 50px;
    justify-items: auto;
    align-items: center;
    form {
        height: 100%;
    }
    button {
        width: 100%;
        height: 100%;
    }
}
@media only screen and (max-width: 550px) {
    div#popup-btns {
        display: flex;
        flex-direction: column;
        row-gap: 15px;
        max-width: fit-content;
        margin: auto;
        form {
            width: 100%;
        }
        button {
            text-wrap: nowrap;
        }
    }
}