.sticky {
    position: fixed;
    z-index: 999;
    background-color: #E02D2D;
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
}

.sticky.sticky--bottom {
    bottom: 0;
    right: 0;
    left: 0;
}

.sticky a {
    color: #fff;
    font-weight: 900;
    line-height: 1.2;
    width: 100%;
    text-align: center;
    padding: 15px 0;
    font-size: 20px;
 }

.sticky a span{
    font-size: 40px;
    position: absolute;
    top: 2px;
}

.sticky a:hover,
.sticky a:focus,
.sticky a:active {
    text-decoration: none;
}

@media (min-width: 768px) {
    .sticky {
        border-left: 4px solid #fff;
        border-bottom: 4px solid #fff;
        border-bottom-left-radius: 100%;
        height: 130px;
        width: 130px;
        padding-top: 0;
        padding-left: 40px;
    }

    .sticky.sticky--bottom {
        left: auto;
        top: 0;
        bottom: auto;
    }

    .sticky a {
        padding: 0;
        font-size: 20px;
        position: relative;
        top: -15px;
        text-align: left;
    }

    .sticky a span{
        font-size: 40px;
        position: absolute;
        top: 10px;
    }
}