.acces{
    background: #EEECE9;
}



body{
    margin: 0;
    background: #EEECE9;
    font-family: "aileronsemibold", serif;
}


#installationbody{
    background: #252626;
}

#installationbackbouton, #installationopening{
    color: #EEECE9;
}

#installationproposal{
    background: #EEECE9;
    color: #252626;
    padding-top: 0;
}

#installationoffre, #installationoffre3{
    background: #EEECE9;
}

#installationoffre .offre {
    padding-top: 0;
}




h1 , .titre p, .titre h1, .proposition p, .description p {
    margin: 0;
}

h1{
    font-family: "heal_the_web_bregular", serif;
    -webkit-font-feature-settings: "ss02";
    font-feature-settings: "ss02";
}



.titre, .proposition, .description{
    display:flex;
    padding: 64px;
}

.opening{
    padding-top: 60px;
}




.titre {
    font-size: 2vw;
    padding-top: 30px;
}

.titre p {
    font-size: 1.5vw;
}





.buttoncontainer{
    padding-left: 64px;
    padding-top: 50px;
}

.backbutton{
    color: #252626;
    padding: 8px 16px 6px 16px;
    text-decoration: none;
    display: inline-block;
    cursor: pointer;
    font-family: "heal_the_web_aregular", serif;
    border: solid;
    border-width: 1px;
}




.proposition{
    font-size: 2.8vw;
    width: 70%;
    line-height: 132%;
}

.proposal{
    padding-top: 100px;
}




.description{
    background: #252626;
    color: #EEECE9;
    font-size: 1.2vw;
    line-height: 150%;
    padding-top: 4%;
    padding-bottom: 4%;
}

.txt_g{
    width: 50%;
}

.txt_d{
    width: 50%;
}




.nav_installation{
    padding-top: 120px;
    font-size: 1.5vw;
}

.installationmenu {
    background-color: #252626;
    padding-left: 50px;
    display: flex;
}

.installationmenu a {
    display: inline-block;
    color: #EEECE9;
    text-align: center;
    padding: 0;
    text-decoration: none;
    padding-bottom: 10px;
    margin-right: 32px;
}


#installationmenu1 a:nth-of-type(1) {
    border-bottom: 6px solid #80ECF1;
}

#installationmenu2 a:nth-of-type(2){
    border-bottom: 6px solid #80ECF1;
}

#installationmenu3 a:nth-of-type(3){
    border-bottom: 6px solid #80ECF1;
}








.offre{
    display: flex;
    padding: 64px;
    padding-top: 100px;
    padding-bottom: 52px;
}

h2{
    font-size: 2.8vw;
    margin-top: 0;
    margin-bottom: 20px;
    padding-right: 50px;
}

h3{
    font-size: 5vw;
    margin: 0;
}

h4{
    font-size: 2vw;
    margin: 0;
}


.point{
    padding-bottom: 48px;
}

.offre p{
    font-size: 1.2vw;
    line-height: 150%;
    margin-top: 8px;
    margin-bottom: 0;
}



.offre_securite{
    justify-content: flex-end;
    padding-top: 0;
}



@media screen and (max-width:813px){
    .opening{
        padding-top: 0;
    }

    .buttoncontainer{
        padding-left: 32px;
        padding-top: 32px;
    }

    .titre{
        flex-direction: column;
        font-size: initial;
        padding: 32px;
        padding-top: 23px;
    }

    .titre .txt_d{
        padding-top: 20px;
    }

    .titre p{
        font-size: 20px;
    }

    .titre h1{
        font-size: 40px;
    }

    .description, .offre{
        flex-direction: column;
        font-size: initial;
        padding: 40px;
        padding-top: 55px;
    }

    .offre_securite{
        padding-top: 0;
    }

    .description{
        line-height: 170%;
    }

    .proposition{
        font-size: 28px;
        padding: 32px;
        width: auto;
        line-height: 130%;
    }

    .proposal{
        padding-top: 0;
    }

    .offre p{
        font-size: 18px;
        line-height: 140%;
    }
}

@media screen and (max-width:813px){
    .txt_g, .txt_d{
        width: 100%;
    }

    .description .txt_d{
        padding-top: 35px;
    }

    .offre h2{
        margin-top: 0;
        margin-bottom: 40px;
        font-size: 27px;
    }

    .offre h3{
        font-size: 70px;
    }

    .offre h4{
        font-size: 28px;
    }

    .offre .txt_d{
        padding-top: 30px;
    }


}


@media screen and (max-width:813px){
    .installationmenu{
        padding-left: 16px;
        padding-right: 16px;
    }

    .installationmenu a{
        text-align: left;
    }

    .nav_installation{
        font-size: initial;
    }

    .installationmenu a:last-of-type{
        margin-right: 0;
    }
}