#landingBody {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-size: 18px;
    background: #fff;
    font-family: sans-serif;
}

#landingBody * {
    box-sizing: border-box;
}

#landingBody img {
    display: block;
}

#landingBody .header,
#landingBody .youtube {
    background: #000;
    padding: 50px;
    text-align: center;
    color: #fff;
}

#landingBody .header .logo {
    border-bottom: 1px solid #fff;
    margin-bottom: 30px;
}

#landingBody .header .logo img {
    width: 25%;
    margin-bottom: 30px;
}

#landingBody .header .logo img {
    display: inline-block;
}

#landingBody .header .product-name {
    display: inline-block;
    background: #20d9f5;
    font-size: 60px;
    font-weight: 800;
    padding: 20px 100px;
    text-transform: uppercase;
    margin-bottom: 30px;
}

#landingBody .header .product-desc {
    font-size: 25px;
    text-align: center;
    font-weight: 700;
}

#landingBody .flexbox {
    display: flex;
    flex-wrap: wrap;
}

#landingBody .flexbox .item {
    flex-basis: 50%;
}

#landingBody .flexbox .item img,
.big-img img {
    width: 100%;
}

#landingBody .flexbox .item .inside {
    padding: 0 50px;
}

#landingBody .flexbox .item .title,
#landingBody .youtube .title {
    font-weight: 700;
    font-size: 25px;
    line-height: 30px;
}

#landingBody .flexbox .item .line {
    width: 20%;
    height: 7px;
    background: #20d9f5;
    margin: 20px 0;
}

#landingBody .flexbox .item.content {
    display: flex;
    align-items: center;
}

#landingBody .flexbox .item .inside {
    flex-basis: 100%;
}

#landingBody span.red {
    color: #ec0000;
}

#landingBody .youtube {
    min-height: 425px;
}

#landingBody .youtube .title {
    margin-bottom: 30px;
    color: #fff;
}

#landingBody .youtube iframe {
    float: none;
    width: 100%;
    height: 425px;
    margin-bottom: 30px;
}

#landingBody .bigDescription {
    padding: 50px;
    text-align: justify;
}

#landingBody .bigDescription .logo img {
    width: 30%;
    max-width: 425px;
    margin: 0 auto;
    margin-bottom: 20px;
}

.cf:before,
.cf:after {
    content: " ";
}

.cf:after {
    clear: both;
}

.cf {
    *zoom: 1;
}

@media screen and (min-width:320px) and (max-width:1023px) {

    #landingBody .header,
    #landingBody .youtube,
    #landingBody .flexbox .item .inside {
        padding: 30px;
    }

    #landingBody .header .logo img {
        width: 80%;
    }

    #landingBody .header .product-name {
        padding: 20px 40px;
        font-size: 28px;
    }

    #landingBody .header .product-desc {
        font-size: 19px;
    }

    #landingBody .flexbox .item {
        flex-basis: 100%;
    }

    #landingBody .flexbox .item:nth-child(1) {
        order: 1;
    }

    #landingBody .flexbox .item:nth-child(2) {
        order: 2;
    }

    #landingBody .flexbox .item:nth-child(3) {
        order: 4;
    }

    #landingBody .flexbox .item:nth-child(4) {
        order: 3;
    }

    #landingBody .flexbox .item:nth-child(5) {
        order: 5;
    }

    #landingBody .flexbox .item:nth-child(6) {
        order: 6;
    }

    #landingBody .flexbox .item:nth-child(7) {
        order: 8;
    }

    #landingBody .flexbox .item:nth-child(8) {
        order: 7;
    }

    #landingBody .flexbox .item:nth-child(9) {
        order: 9;
    }

    #landingBody .flexbox .item:nth-child(10) {
        order: 10;
    }

    #landingBody .flexbox .item:nth-child(11) {
        order: 12;
    }

    #landingBody .flexbox .item:nth-child(12) {
        order: 11;
    }

    #landingBody .flexbox .item:nth-child(13) {
        order: 13;
    }

    #landingBody .flexbox .item:nth-child(14) {
        order: 14;
    }

    #landingBody .flexbox .item:nth-child(15) {
        order: 16;
    }

    #landingBody .flexbox .item:nth-child(16) {
        order: 15;
    }

    #landingBody .flexbox .item:nth-child(17) {
        order: 17;
    }

    #landingBody .flexbox .item:nth-child(18) {
        order: 18;
    }

    #landingBody .flexbox .item:nth-child(19) {
        order: 20;
    }

    #landingBody .flexbox .item:nth-child(20) {
        order: 19;
    }

    #landingBody .flexbox .item:nth-child(21) {
        order: 21;
    }

    #landingBody .flexbox .item:nth-child(22) {
        order: 22;
    }

    #landingBody .youtube iframe {
        float: none;
        width: 100%;
        height: 250px;
        margin-bottom: 30px;
    }

    #landingBody .bigDescription .logo img {
        width: 90%;
    }
}

@media screen and (min-width:600px) and (max-width:999px) {

    #landingBody .header .product-name {
        padding: 20px 100px;
        font-size: 60px;
    }

    #landingBody .header .product-desc {
        font-size: 25px;
    }

    #landingBody .header .logo img {
        width: 60%;
    }

    #landingBody .header,
    #landingBody .youtube,
    #landingBody .flexbox .item .inside {
        padding: 50px;
    }

    #landingBody .youtube iframe {
        height: 350px;
    }

    #landingBody .bigDescription .logo img {
        width: 70%;
    }

}