.gruenesLichtButton {
    position: absolute;
    right: calc(140px + 10px + 25px + 25px); /*Breite von .shoppingCartButton + "right" von .shoppingCartButton + "width" von .gruenesLichtButton img + Abstand von .gruenesLichtButton zu .shoppingCartButton */
    top: 10px;
    z-index: 1;
}
a.gruenesLichtButton:hover{
    text-decoration: none;
}

.shoppingCartButton {
    position: absolute;
    top: 0;
    right: 10px;
    padding: 10px;
    background-color: #9d0029;
    z-index: 1;
}

.shoppingCartButton img,
.gruenesLichtButton img {
    display: inline-block;
    float: left;
    margin-right: 15px;
}

.shoppingCartButton img {
    height: 20px;
    width: auto;
}

.gruenesLichtButton img {
    width: 25px;
    height: 25px; /* "height" = .gruenesLichtButton .text "line-height" */
    margin-right: 5px;
}

.shoppingCartButton .text {
    display: block;
    float: left;
    color: #ffffff;
}

.gruenesLichtButton .text {
    color: #333333;
    font-size: 0.9em;
    white-space: nowrap;
    font-weight: 400;
    line-height: 25px; /* "line-height" = .gruenesLichtButton img "height" */
}

@media (max-width: 991px) {
    .shoppingCartButton,
    .gruenesLichtButton {
        position: fixed;
        display: flex;
        flex-flow: column;
        justify-content: space-around;
        top: 0;
        right: 65px;
        height: 72px;
        background: none;
    }

    .gruenesLichtButton {
        right: calc(65px + 40px + 10px); /* .shoppingCartButton "right" + Breite .shoppingCartButton + Abstand zwischen .shoppingCartButton zu .gruenesLichtButton */
    }

    .shoppingCartButton img,
    .gruenesLichtButton {
        margin: 0;
    }
    .shoppingCartButton .text,
    .gruenesLichtButton .text {
        display: none;
    }
}