sakura/resources/assets/less/yuuno/bem/uploader.less

.uploader {
    display: block;
    color: #fff;
    background: fade(#000, 80%);
    position: absolute;
    right: 4px;
    top: 4px;
    padding: 2px;
    border-radius: 6px;
    font-size: 16px;

    &__change {
        display: none;
    }

    &__button {
        border-width: 0;
        background: transparent;
        color: #fff;
        cursor: pointer;
        padding: 4px;
    }
}