.but1 {
    position: relative;
    min-width: 30px;
}

.block-flex {
    width: 100%;
    height: 100%;
    min-height: 60px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.fbf_blue {
    border-bottom: solid 1px rgba(59, 177, 209);
    border-top: solid 1px rgba(59, 177, 209);
    padding: 20px 0;
}

.fbf_blue + .fbf_blue {
    border-top: none;
}

.flflf-bf .fbf_blue {
    margin-top: -1px;
}

.fbf_blue .text_upper {
    color: var(--text-turquoise);
}

.fbf_blue .form_lern_flex-item-text {
    color: var(--turquoise);
}

.window_spec {
    padding: 0;
    margin: 0;
}

.flflf-bf a {
    border-bottom: solid 1px var(--turquoise-opacity05);
    border-top: none;
    margin: 0;
}

.flex_right {
    display: flex;
    justify-content: right;
}

.flflf-bf:last-child a {
    border-bottom: none;
    border-top: none;
}
.form_lern_flex-item-form .flflf-bf:first-of-type a {
    border-top: none;
}

.form_lern_flex-item-form {
    margin: 0;
}

.tfl {
    font-size: 16px;
    text-transform: none;
    color: var(--turquoise);
}

.text_upper {
    text-transform: uppercase;
}

.width100per {
    width: 100%;
}

.flflf-bf svg {
    width: 17px;
    height: 17px;
}

.max_width300 {
    display: block;
    max-width: 300px;
}

@media only screen and (max-width: 445px) {
    .block-flex {
        min-width: 300px;
    }
}

@media only screen and (min-width: 1900px) {
    .max_width300 {
        max-width: calc(300px * var(--scale));
    }

    .text_upper {
        font-size: calc(16px * var(--scale));
        line-height: calc(20px * var(--scale));
    }

    .fbf_blue {
        padding: calc(20px * var(--scale)) 0;
    }

    .tfl {
        font-size: calc(14px * var(--scale));
    }
}