@media only screen and (max-width: 1631px) {
    .features-container {
       margin: 0px 0px;
    }
}

@media only screen and (max-width: 1300px) {
    .long-copy-margin-right {
        line-height: 130%;
        margin: 10px 0 0 90px;
        font-size: 80%;
    }
    .section-features img:hover {
    }
}

@media only screen and (max-width: 1023px) {
    h1 {
        font-size: 175%;
    }    
    
    html {
        font-size: 16px;
    }
    section {
        padding: 10px 0;
    }
    .impressum-box {
        width: 380px;
    }
   
    .leistungen-item {
        margin: 10px 30px;
    }
}

@media only screen and (max-width: 790px) {
    
    .navi-container {
        display: flex;
        justify-content: space-between;
        align-items: flex-start;
    }
    .main-nav {
        float: left;
        margin-left: 75%;
        //margin-top: -90px;
    }
    .main-nav-ohne-zertifikat {
        display: none;
    }
    .mobile-nav-icon {
        display: inline-block;
        font-size: 200%;
    }
    .main-nav li {
        display: block;
        margin-top: 0px;  
    }
    .main-nav li a:link,
    .main-nav li a:visited {
        display: block;
        border: 0;
    }
    .history {
        display: flex;
        flex-direction: column;
        align-items: left;
        margin-left: -50px;
    }
    .description {
        width: 380px;
    }

}

@media only screen and (max-width: 636px) {
    header {
        background-image: url(../img/platine3kleiner-mobil-min.jpg);
        height: 55vh;
    }
    img.logo {
        height: 70px;
        width: 180px;
    }
    h1 {
        font-size: 140%;
    }
    
    h4 {
        visibility: hidden;
    }
    
    .btn-app img {
        margin: 5px;
    }
    
    .col {
        display: block;
        float:left;
        margin: 0;
    }
    .row {
        margin: 0 45px;
    }
    .row .col:first-child {
        margin-left: 0;
    }
    
    .main-nav {
        float: left;
        margin-left: 50%;
        margin-top: -90px;
    }
    .zertifikat {
        height: 70px;
        margin-top: -20px;
        margin-left: 5px;
    }
    .logo-motto {
        margin-right: -10px;
    }
    .mobile-nav-icon {
        display: inline-block;
        margin-top: 15px;
    }
    .main-nav li {
        display: block;
    }
    .main-nav li a:link,
    .main-nav li a:visited {
        display: block;
        border: 0;
    }
    section {
        padding: 10px 0;
    }
    .section-navi {
        padding-top: 10px;
        height: 80px;
    }
    .tooltip {
        padding-left: 5px;
        width: 300px;
    }
    .tooltiptext {
        visibility: visible;
        padding: 15px;
        font-size: 70%;
        line-height: 140%;
        position: relative;
        top: 10px;
    }
    .leistungen-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        height: auto;
        width: 330px;
        background-color: transparent;
    }
    .img-row {
        margin-bottom: -90px;
        background-color: #dfe3e3;
    }
    .long-copy {
        line-height: 130%;
        margin: 10px 0 0 0px;
        font-size: 80%;
    }
    
    .long-copy-padding-right {
        line-height: 130%;
        margin: 10px 0 0 0px;
        font-size: 80%;
        padding-right: 80px;
    }
    
    .firma {
        margin-top: 20px;
        padding-top: 1px;
    }
    .close-tooltip {
        visibility: hidden;
    }
    .long-copy-margin-right {
        margin: 0 0 0 0;
    }
    .long-copy-qualities {
        margin-left: 10px;
        font-weight: 600;
    }
    
    .ueber_uns {
        display: flex;
        flex-wrap: wrap;
        max-width: 636px;
    }
    
    .history {
        display: flex;
        flex-direction: column;
        align-items: left;
        padding-left: 40px;
        margin: -50px 0 0 0;
    }
    
    .cookie_message_notice {
        font-size: 70%;
        line-height: 100%;
        padding-top: 10px;
    }
    
    .footer {
        font-size: 70%;
        border-bottom: 0px;
    }
    
    .footer a:hover {
        border-bottom: 0px solid #000000;
    }
}