body * .flex {
    display: flex;
    flex-direction: row;
    justify-content: flex-start;
    align-content: flex-start;
    align-items: center;
}

/* INVALID MESSAGE STYLES */
input:invalid {
    box-shadow: none;
}

:invalid {
    box-shadow: none;
}

:-moz-submit-invalid {
    box-shadow: none;
}

:-moz-ui-invalid {
    box-shadow: none;
}

/* GLOBAL */
.pull-left {
    float: left;
}

.rtl .pull-left {
    float: right;
}

.pull-right {
    float: right;
}

.rtl .pull-right {
    float: left;
}

.dk-container ul {
    list-style: none;
    padding: 0;
}

.r-sub {
    right: 0.3em;
}

.rtl .r-sub {
    right: unset;
    left: 0.3em;
}

.clearfix:after,
.container:after {
    clear: both;
}

.header-wrap.clearfix:after,
.header-wrap.clearfix:before {
    display: table;
    content: " ";
}

:after,
:before {
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}

/* TOGGLE DISPLAY CONTROL (Used on breadcrumbs, headline/title, description, calculator display) */
.dk-container .dk-breadcrumb .headline,
.dk-container .header-wrap>div img,
.dk-container .header-wrap>div .headline-title,
.dk-container .single-headline-desc .description,
.dk-container .dk-calc-wrap .inner-box>div:not(.description-section) {
    display: none;
}

.dk-container .dk-breadcrumb .headline.active,
.dk-container .header-wrap>div img.active,
.dk-container .header-wrap>div .headline-title.active,
.dk-container .single-headline-desc .description.active,
.dk-container .dk-calc-wrap .inner-box>div:not(.description-section).active {
    display: block;
}

.dk-container .description-section {
    display: none;
}

.dk-container .description-section.active {
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: 8em;
    margin: 15px auto 0;
}

/* HEADER STYLES */
.dk-container .header-wrap {
    padding: 0 0 10px;
    border-bottom: solid 1px var(--text-color);
}

.dk-container .header-wrap img {
    background: var(--white);
    border-radius: 4px;
}

.dk-container .header-wrap .dk-icon-border {
    max-width: 43px;
    height: 41px;
    margin: 0 9px 0 0;
    padding: 5px;
    border-radius: 4px;
    border: 1px solid var(--red);
    background: var(--white);
}

.rtl .dk-container .header-wrap .dk-icon-border {
    margin: 0 0 0 9px;
}

.dk-container .header-wrap .headline-title {
    margin: 0 0 0 10px;
    font-size: 22px;
}

.rtl .dk-container .header-wrap .headline-title {
    margin: 0 10px 0 0;
}

/* CALC IMAGERY */
.dk-container .formula-section {
    display: flex;
    width: 100%;
    height: auto;
    margin: 0 auto;
    background: var(--white);
    border-radius: 4px;
    justify-content: center;
}

.dk-container .formula-section svg {
    display: block;
    margin: 0 auto;
    padding: 10px;
}

.dk-container .image-section {
    display: flex;
    width: 100%;
    height: auto;
    margin: 0 auto;
    background: var(--white);
    border-radius: 4px;
}

.dk-container .image-section>svg {
    display: block;
    width: 100%;
    max-width: 211px;
    height: auto;
    margin: 0 auto;
    padding: 10px;
}

/* CALCULATOR */
.dk-container .description {
    height: auto;
    min-height: 30px;
}

.dk-container .tab-calc-content {
    display: grid;
    grid-template-columns: 3fr 1fr;
    grid-template-rows: min-content;
    grid-gap: 2em;
    margin: 2em 0 0;
}

.dk-container .single-dk-calc-cont .dk-calc-wrap .inner-box {
    display: block;
    padding: 20px;
    border: 1px solid var(--border-color--card);
    border-radius: 4px;
    background: var(--bg-color--card);
    box-sizing: border-box;
}

.dk-container .input-headline {
    display: block;
    margin: 0 0 5px;
    font-size: 13px;
    font-weight: bold;
    text-align: left;
}

.rtl .dk-container .input-headline {
    text-align: right;
}

.dk-container .calculator-input {
    display: grid;
    grid-template-columns: 1fr 45px;
    grid-template-rows: 1fr;
    grid-template-areas: 'input dd';
}

.dk-container .conversion-input {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-column-gap: 8em;
}

.dk-container .calculator-input#attenuation-input {
    display: block;
}

.dk-container .calculator-input input {
    grid-area: input;
    appearance: textfield;
    -webkit-appearance: textfield;
    max-width: 100%;
    min-width: 10ch;
    width: 100%;
    height: 40px;
    margin: 0;
    padding: .7em 1em;
    outline: 0;
    box-sizing: border-box;
    border: 2px solid transparent;
    border-radius: 4px 0 0 4px;
    background-color: var(--bg-color--input);
    color: var(--text-color);
    box-shadow: 0 0 0 1px var(--cloud-grey);
    transition: box-shadow .2s ease;
    z-index: 10;
}

.rtl .dk-container .calculator-input input {
    border-radius: 0 4px 4px 0;
}

.dk-container .calculator-input input::placeholder {
    color: var(--cloud-grey);
}

.dk-container .calculator-input .dkc-unit-label {
    display: inline-block;
    width: auto;
    height: 40px;
    padding: 0.7em 0.5em;
    border-radius: 0 4px 4px 0;
    border: 2px solid transparent;
    box-sizing: border-box;
    color: var(--text-color);
    box-shadow: 0 0 0 1px var(--cloud-grey);
    outline: 0;
    background-color: var(--bg-color--input);
    font-size: 13px;
    text-align: center;
}

.rtl .dk-container .calculator-input .dkc-unit-label {
    border-radius: 4px 0 0 4px;
}

#calc-input-1-att1,
#calc-input-1-att2,
#calc-input-1-att4,
.rtl #calc-input-1-att1,
.rtl #calc-input-1-att2,
.rtl #calc-input-1-att4 {
    border-radius: 4px;
}

.dk-container .conversion-input .att-error-msg {
    display: block;
    margin: 7px 5px 15px;
    color: var(--red);
    visibility: visible;
}

.error-r1Value-att1,
.error-r1Value-att2,
.error-r1Value-att3,
.error-r1Value-att4 {
    visibility: hidden;
}

.error-r2Value-att1,
.error-r2Value-att2,
.error-r2Value-att3,
.error-r2Value-att4 {
    visibility: hidden;
}

.error-attenuationValue-att1,
.error-attenuationValue-att2,
.error-attenuationValue-att3,
.error-attenuationValue-att4 {
    visibility: hidden;
}

.error-impedanceValue-att1,
.error-impedanceValue-att2,
.error-impedanceValue-att3,
.error-impedanceValue-att4 {
    visibility: hidden;
}

/* CSS TABS */
.content .unit-title-wrap {
    padding-top: 5px;
}

.calcType {
    position: relative;
    display: inline-flex;
    flex-flow: row;
    z-index: 2;
    width: 100%;
    margin: 0;
    padding: 0;
    border-bottom: 1px solid var(--text-color);
    box-sizing: border-box;
}

.calcType input {
    display: none !important;
}

.calcType label {
    position: relative;
    display: block;
    top: -8px;
    margin: 0 28px -9px 0;
    padding: 4px 4px 18px;
    font-weight: 400;
    color: var(--text-color);
    text-decoration: none;
    text-transform: capitalize;
    white-space: nowrap;
    line-height: 1;
    outline: none;
    border-bottom: 3px solid transparent;
    box-sizing: border-box;
    cursor: pointer;
}

.rtl .calcType label.dk-radio-button-label {
    margin: 0 0 -9px 28px;
}

.calcType label.active {
    font-weight: 700;
    color: var(--red);
    border-color: var(--red);
}

.calcType label.it {
    text-transform: none;
}

/* RELATED TOOLS */
.dk-container .related-tool-container {
    padding: 0;
}

.dk-container .related-tools-wrap {
    padding: 30px 0 0;
}

.dk-container .related-tools-wrap h2 {
    margin: 0;
    padding: 0 0 10px;
    font-size: 20px;
    font-weight: bold;
}

.dk-container .related-tools-wrap ul {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: 1fr;
    grid-gap: 2em;
    margin: 0;
    padding: 0;
    list-style-type: none;
}

.dk-container .related-tools-wrap ul li a {
    display: block;
    padding: 15px;
    color: var(--text-color);
    text-align: center;
    border: 1px solid var(--border-color--card);
    border-radius: 4px;
    text-decoration: none;
}

.dk-container .related-tools-wrap ul li a .dk-container-related_img {
    max-height: 45px;
}

.dk-container .related-tools-wrap ul li a:hover,
.dk-container .related-tools-wrap ul li a:focus {
    text-decoration: none;
    border: 2px solid var(--red);
}

.dk-container .related-tools-wrap ul li span {
    display: block;
    padding: 10px 0 0;
    margin-top: auto;
}




/* MEDIA QUERIES */
@media screen and (min-width: 1024px) {
    .dk-container .recommended-products-wrap ul {
        grid-template-columns: repeat(5, 1fr);
        grid-template-rows: 1fr;
    }
}

@media screen and (max-width: 1024px) {
    .dk-container .calculator-mod .tab-calc-content {
        grid-template-columns: 1fr;
        column-gap: 0;
    }

    .dk-container .recommended-products-wrap ul {
        grid-template-columns: repeat(3, 1fr);
        grid-template-rows: 1fr;
    }


}

@media screen and (max-width: 991px) {

    .dk-container .conversion-input,
    .dk-container .description-section.active {
        grid-column-gap: 2em;
    }
}

@media screen and (max-width: 768px) {

    .dk-container .header-wrap .pull-left,
    .dk-container .header-wrap .pull-right,
    .rtl .dk-container .header-wrap .pull-left,
    .rtl .dk-container .header-wrap .pull-right {
        float: none;
    }

    .dk-container .conversion-input {
        grid-template-columns: 1fr;
        grid-gap: 0;
    }

    .dk-container .description-section.active {
        grid-template-columns: 1fr;
        grid-gap: 2em;
    }
}

@media screen and (max-width: 500px) {
    .dk-container .recommended-products-wrap ul {
        grid-template-columns: 1fr;
    }

    .dk-container .calculator-mod .related-tool-container .related-tool-right ul {
        grid-template-columns: 1fr;
    }

    .dk-container .formula-section svg {
        width: auto;
        max-width: 150px;
    }

    .calcType label {
        margin: 0 14px -9px 0;
    }

    .rtl .calcType label.dk-radio-button-label {
        margin: 0 0 -9px 14px;
    }
}