.floating-button {
    position: fixed;
    bottom: 20px;
    left: 20px;
    width: 50px;
    height: 50px;
    background-color: #007bff;
    color: white;
    z-index: 1000;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.popup {
    position: fixed;
    bottom: 20px;
    left: 20px;
    width: 450px;
    max-width: 450px;
    overflow-y: auto;
    height: 650px;
    background-color: white;
    border: 0px solid #ccc;
    border-radius: 10px;
    padding: 10px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    opacity: 0;
    transform: scale(0);
    transform-origin: bottom right;
    transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    z-index: 1110
}

.popup-content {
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;

}

.hidden {
    display: none;
}

.popup.show {
    opacity: 1;
    transform: scale(1);
}

/* container */
.responsive-two-columns {
    display: flex;
    flex-wrap: nowrap;
    width: 90%;
    margin-top: 10px;
    justify-content: center;
    margin-bottom: 0px;
}

/* columns */
.responsive-two-columns>* {
    width: 100%;
    padding: 1rem;
}

/* tablet breakpoint */
@media (min-width:768px) {
    .responsive-two-columns>* {
        width: 50%;
    }
}

#stage {
    perspective: 500px;
    position: relative;
    width: 100%;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: black;
    box-shadow: 0px -9px 5px -2px rgba(255, 255, 255, 1) inset;
    -webkit-box-shadow: 0px -9px 5px -2px rgba(255, 255, 255, 1) inset;
    -moz-box-shadow: 0px -9px 5px -2px rgba(255, 255, 255, 1) inset;
}


#nextSection {
    width: 100%;
    height: 300px;
    background-color: black;
    margin-top: 10px;
    box-shadow: 0px 11px 5px -2px rgba(255, 255, 255, 1) inset;
    -webkit-box-shadow: 0px 11px 5px -2px rgba(255, 255, 255, 1) inset;
    -moz-box-shadow: 0px 11px 5px -2px rgba(255, 255, 255, 1) inset;
}


.facet {
    transform: rotate3d(-10, 0, 0, -45deg);
    width: 200px;
    height: 150px;
    position: absolute;
    bottom: -10px;
}