.arrow-container {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.arrow {
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 0 10px 50px 10px;
    border-color: transparent transparent transparent transparent;
    position: absolute;
    transform-origin: center center;
}