.dropdown {
    display: flex;
    flex-wrap: nowrap;
    flex-direction: row-reverse;
    justify-content: space-around;
    align-items: baseline;
}

@keyframes pulsate {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
    }
}

.circle {
    width: 60px;
    height: 60px;
    background-color: orange;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    animation: pulsate 2s infinite;
}

.dropdown-button {
    width: 0;
    height: 0;
    border-left: 20px solid transparent;
    border-right: 20px solid transparent;
    border-top: 20px solid black;
}

.dropdown-button.reverse {
    border-top: none;
    border-bottom: 20px solid black;
}

.hidden-element {
    display: none;
}