.loading {
    width: 16px;
    height: 16px;
    border: 3px solid var(--primary-color);
    border-bottom-color: var(--primary-text-color);
    border-radius: 50%;
    box-sizing: border-box;
    animation: rotation 1s linear infinite;
}

@keyframes rotation {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

input[type="file"]::file-selector-button {
    border: none;
    cursor: pointer;
    background-color: inherit;
    color: inherit;
    content: "Datein einfügen";
    text-decoration: underline;
    margin-right: 1.5em;
    font-weight: 400;
    margin-bottom: 5px;
    padding: 0 16px;
    height: 40px;
}