* {
    padding: 0;
    border: 0;
    font-size: 15px;
    vertical-align: baseline;
    margin: 0;
    font-family: 'Open Sans', sans-serif;
    text-decoration: none;
}

a {
    text-decoration: none;
}

.block-menu {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-direction: row;
    padding-top: 20px;
    padding-bottom: 20px;
    background-color: #ffffff;
}

.block-menu-b {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-direction: row;
    background-color: #ffffff;
    width: 100%;
}

.block-menu-bd {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-direction: row;
    background-color: #ffffff;
    width: 100%;
    padding-top: 20px;
    padding-bottom: 20px;
}

.logo-csd {
    margin-left: 40px;
}

.line-menu {
    display: flex;
    margin-top: 0px;
    flex-wrap: wrap;
    margin-left: 50px;
    margin-right: 40px;
    align-items: flex-start;
    justify-content: flex-start;
}

.main-menu {
    color: #164463;
    margin: 10px;
    border-bottom: 2px solid #16446300;
}

.main-menu:hover {
    color: #3579BB;
    margin: 10px;
    border-bottom: 2px solid #3579BB;
}

.video-container {
    height: 50vh;
    position: relative;
}

.video-container video {
    width: 100%;
    height: 100%;
    position: absolute;
    object-fit: cover;
    z-index: 0;
}

/* Just styling the content of the div, the *magic* in the previous rules */
.video-container .caption {
    z-index: 1;
    position: relative;
    text-align: center;
    color: #dc0000;
    padding: 10px;
}

.blur_back {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 75px;
    margin-top: -75px;
    -webkit-backdrop-filter: blur(10px)!important;
    backdrop-filter: blur(10px)!important;
    flex-direction: row;
    background-color: rgba(0, 0, 0, 0.50);
}

.blur_back_still {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 75px;
    margin-top: -75px;
    -webkit-backdrop-filter: blur(10px)!important;
    backdrop-filter: blur(10px)!important;
    flex-direction: row;
    background-color: rgba(0, 0, 0, 0.50);
}

.blur_l {
    font-family: 'Open Sans', sans-serif;
    font-size: 20px;
    font-weight: 700;
    color: #ffffff;
    border-right: 2px solid #ffffff;
    text-align: right;
    padding-right: 20px;
    line-height: 20px;
    margin-left: 20px;
    margin-right: 20px;
    width: 170px;
    margin-bottom: 0px;
}

.blur_c {
    color: #ffffff;
    font-family: 'Open Sans', sans-serif;
    font-size: 12px;
    width: 50%;
    margin-bottom: 0px;
    text-transform: uppercase;
}

.blur_r {
    background-color: #ffffff;
    width: 120px;
    height: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 5px;
    margin-right: 20px;
    margin-left: 20px;
    color: #164463;
    padding: 15px 5px;
}

.about-us {
    display: flex;
    flex-direction: row;
    width: 100%;
    min-width: 250px;
    max-width: 800px;
    align-items: flex-start;
    justify-content: flex-start;
}

.big-promo {
    display: flex;
    width: 100%;
    justify-content: center;
    background-color: #494949;
    padding-top: 5px;
    padding-bottom: 5px;
}

.s-promo {
    display: none;
    width: 100%;
    justify-content: center;
    background-color: #494949;
    padding-top: 5px;
    padding-bottom: 5px;
}

.blur_r2 {
    background-color: #ffffff;
    width: 120px;
    height: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 5px;
    margin-right: 20px;
    margin-left: 20px;
    padding: 15px 5px;
    color: #164463;
}

.contacts {
    background-color: #5A9BCD;
    padding: 20px 40px 20px 40px;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 180px;
    width: 340px;
}

.projects {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.eco-text {
    width: 50%;
    color: #666666;
    padding: 50px;
    background-color: rgba(255, 255, 255, 0.5);
}

.esd {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    justify-content: flex-start;
    margin-top: 20px;
}

.esd-text {
    margin-left: 0;
    margin-right: 0;
    color: #676767;
}

.project_item {
    width: 30%;
    min-width: 250px;
    margin: 15px 10px;
    padding: 10px;
    box-shadow: 0px 0px 10px #d0d0d0;
}

.address {
    margin-right: 20px;
    text-align: left;
}