* {
    margin: 0px; 
    padding: 0px;
}

header{
    width: 100%; 
    height: 15vh;
    display: flex;
    align-items: center;
    background-color: white;


}
header  img{
    width: 200px;
    margin: 0px 200px 0px 100px;
    
}
header .deux h2{
    font-family: Arial, Helvetica, sans-serif;
    font-size: 33px;
    width: 80%;
    line-height: 50px;

 
}
 
 .un{
    background: url(bg1.jpg);
    width: 100%;
    height: 100%; 
    background-size: cover;
}
.uno{
    background-color: rgba(0, 0, 255, 0.575); 
    height: 100%;

}   
.uno h4{  
    font-size:34px; 
    font-family: Arial, Helvetica, sans-serif;
    padding-top:40px;
    background-color: rgba(128, 128, 128, 0.507);
    padding-bottom: 40px;  
    padding-left: 20px;
    color: rgb(8, 8, 8)
}
.uno h4 span{  
    color: rgb(30, 137, 207); 
}
.uno .premier{
    display: flex;
    align-items: center;
    padding-top: 100px;

 }
 
.uno .premier img{
    width: 260px;
    margin-left: 6%;
    margin-right: 5%;
}
.uno .premier .nom{
    background-color: rgba(114, 114, 114, 0.534);
    padding: 20px 150px;
    border-radius: 20px;
    line-height: 50px;
    width: 35%;
}
.uno .premier .nom h2 {
    font-size: 30px;
    font-family: Arial, Helvetica, sans-serif;
    letter-spacing: 2px;
    color: white;

}
.uno .premier .nom p{
    font-family: Arial, Helvetica, sans-serif;
    font-size: 35px;
    letter-spacing: 2px;
    color: white;

} 
.bouton{
    margin-left: 40px;
    font-size: 28px;
    background-color: rgb(238, 107, 67);
    padding: 3px;
    border: none;
    border-radius: 10%; 
    cursor: pointer;

}
.uno .deuxieme{
    display: flex;
    align-items: center;
    padding-top: 30px;

 }
 
.uno .deuxieme img{
    width: 230px;
    margin-left: 7%;
    margin-right: 5%;
}
.uno .deuxieme .nom{
    background-color: rgba(114, 114, 114, 0.534);
    padding: 20px 150px;
    border-radius: 20px;
    line-height: 50px;
    width: 35%;
}
.uno .deuxieme .nom h2 {
    font-size: 30px;
    font-family: Arial, Helvetica, sans-serif;
    letter-spacing: 2px;
    color: white;

}
.uno .deuxieme .nom p{
    font-family: Arial, Helvetica, sans-serif;
    font-size: 35px;
    letter-spacing: 2px;
    color: white;

} 
.uno .troisieme{
    display: flex;
    align-items: center;
    padding-top: 30px;

 }
 
.uno .troisieme img{
    width: 230px;
    margin-left: 7%;
    margin-right: 5%;
}
.uno .troisieme .nom{
    background-color: rgba(114, 114, 114, 0.534);
    padding: 20px 150px;
    border-radius: 20px;
    line-height: 50px;
    width: 35%;
}
.uno .troisieme .nom h2 {
    font-size: 30px;
    font-family: Arial, Helvetica, sans-serif;
    letter-spacing: 2px;
    color: white;

}
.uno .troisieme .nom p{
    font-family: Arial, Helvetica, sans-serif;
    font-size: 35px;
    letter-spacing: 2px;
    color: white;

} 
.uno .quatrieme{
    display: flex;
    align-items: center;
    padding-top: 30px; 
    padding-bottom: 10vh;

 }
 
.uno .quatrieme img{
    width: 230px;
    margin-left: 7%;
    margin-right: 5%;
}
.uno .quatrieme .nom{
    background-color: rgba(114, 114, 114, 0.534);
    padding: 20px 150px;
    border-radius: 20px;
    line-height: 50px;
    width: 35%;
}
.uno .quatrieme .nom h2 {
    font-size: 30px;
    font-family: Arial, Helvetica, sans-serif;
    letter-spacing: 2px;
    color: white;

}
.uno .quatrieme .nom p{
    font-family: Arial, Helvetica, sans-serif;
    font-size: 35px;
    letter-spacing: 2px;
    color: white;

}
.uno .quatrieme .nom h3{
    font-size: 35px;
    font-family: Arial, Helvetica, sans-serif;
    color: white;
    margin-top: 20px;

}
.nom a{  
    font-size: 28px;
    background-color: rgb(30, 137, 207);
    padding: 3px;
    border: none;
    border-radius: 10%; 
    font-family: Arial, Helvetica, sans-serif;
    cursor: pointer;
    text-decoration: none; 
    color: black;
    

}


 
@media screen and (max-width: 1500px) { 
    header  img{
        width: 120px;
        margin: 0px 100px 0px 50px;
        
    }
    header .deux h2{ 
        font-size: 24px;
        width: 80%;
        line-height: 35px;
    
     
    }   
    .uno h4{ 
        margin-top: 20px;
        font-size: 22px; 
        font-family: Arial, Helvetica, sans-serif;
        padding-top:40px;
        background-color: rgba(128, 128, 128, 0.507);
        padding-bottom: 40px;  
        padding-left: 20px;
        color: rgb(8, 8, 8)
    }
    .uno h4 span{  
        color: rgb(30, 137, 207); 
    }
    .uno .premier{ 
        padding-top: 80px;
    
    }
     
    .uno .premier img{
        width: 160px;
        margin-left: 6%;
        margin-right: 5%;
    }
    .uno .premier .nom{ 
        padding: 20px  50px;
        border-radius: 20px;
        line-height: 35px;
        width: 35%;
    }
    .uno .premier .nom h2 {
        font-size: 18px; 
        letter-spacing: 1px; 
    
    }
    .uno .premier .nom p{ 
        font-size: 23px;
        letter-spacing: 1px; 
    
    } 
    .bouton{
        margin-left: 15px;
        font-size: 18px;
        background-color: rgb(238, 107, 67);
        padding: 3px;
        border: none;
        border-radius: 10%;
    
    }
    .uno .deuxieme{ 
        padding-top: 30px;
    
     }
     
    .uno .deuxieme img{
        width: 145px;
        margin-left: 7%;
        margin-right: 5%;
    }
    .uno .deuxieme .nom{ 
        padding: 20px  50px;
        border-radius: 20px;
        line-height: 35px;
        width: 35%;
    }
    .uno .deuxieme .nom h2 {
        font-size: 18px; 
        letter-spacing: 1px; 
    
    }
    .uno .deuxieme .nom p{ 
        font-size: 23px;
        letter-spacing: 1px; 
    
    } 
     
    .uno .quatrieme{ 
        padding-top: 30px;  
    
     }
     
    .uno .quatrieme img{
        width: 145px;
        margin-left: 7%;
        margin-right: 5%;
    }
    .uno .quatrieme .nom{ 
        padding: 20px 50px;
        border-radius: 20px;
        line-height: 35px; 
    }
    .uno .quatrieme .nom h2 {
        font-size: 18px; 
        letter-spacing: 1px; 
    
    }
    .uno .quatrieme .nom p{ 
        font-size: 23px;
        letter-spacing: 1px; 
    
    }
    .uno .quatrieme .nom h3{
        font-size: 20px; 
        margin-top: 15px;
    
    } 
    .nom a{  
        font-size: 18px;
        background-color: rgb(30, 137, 207);
        padding: 3px;
        border: none;
        border-radius: 10%; 
        font-family: Arial, Helvetica, sans-serif;
        cursor: pointer;
        text-decoration: none; 
        color: black;
        
    
    }
    }
  
    @media screen and (max-width: 1000px) { 
        .un{ 
            background-position-x:  50%;
       }
        header  img{
            width: 90px;
            margin: 0px 60px 0px 30px;
            
        }
        header .deux h2{ 
            font-size: 20px;
            width: 80%;
            line-height: 25px;
        
         
        }  
        .uno h4{ 
            font-size: 20px; 
            font-family: Arial, Helvetica, sans-serif;
            padding-top:30px;
            background-color: rgba(128, 128, 128, 0.507);
            padding-bottom: 20px;  
            padding-left: 20px;
            color: rgb(8, 8, 8)
        }
        .uno h4 span{  
            color: rgb(30, 137, 207); 
        }
        .uno .premier{ 
            padding-top: 80px;
        
        }
         
        .uno .premier img{
            width: 145px;
            margin-left: 6%;
            margin-right: 5%;
        }
        .uno .premier .nom{ 
            padding: 20px  30px;
            border-radius: 20px;
            line-height: 35px;
            width: 55%;
        }
        .uno .premier .nom h2 {
            font-size: 17px; 
            letter-spacing: 1px; 
        
        }
        .uno .premier .nom p{ 
            font-size:20px;
            letter-spacing: 1px; 
        
        } 
        .uno .deuxieme{ 
            padding-top: 10px;
        
         }
         
        .uno .deuxieme img{
            width: 135px;
            margin-left: 7%;
            margin-right: 5%;
        }
        .uno .deuxieme .nom{ 
            padding: 20px  30px;
            border-radius: 20px;
            line-height: 35px;
            width: 55%;
        }
        .uno .deuxieme .nom h2 {
            font-size: 17px; 
            letter-spacing: 1px; 
        
        }
        .uno .deuxieme .nom p{ 
            font-size: 20px;
            letter-spacing: 1px; 
        
        } 
         
        .uno .quatrieme{ 
            padding-top: 10px;  
            padding-bottom: 20vh;
        
         }
         
        .uno .quatrieme img{
            width: 135px;
            margin-left: 7%;
            margin-right: 5%;
        }
        .uno .quatrieme .nom{ 
            padding: 20px 30px;
            border-radius: 20px;
            line-height: 35px;  
            width: 55%;
        }
        .uno .quatrieme .nom h2 {
            font-size: 17px; 
            letter-spacing: 1px; 
        
        }
        .uno .quatrieme .nom p{ 
            font-size: 20px;
            letter-spacing: 1px; 
        
        }
        .uno .quatrieme .nom h3{
            font-size: 20px; 
            margin-top: 10px;
        
        } 
        .nom a{  
            font-size: 18px;
            background-color: rgb(30, 137, 207);
            padding: 3px;
            border: none;
            border-radius: 10%; 
            font-family: Arial, Helvetica, sans-serif;
            cursor: pointer;
            text-decoration: none; 
            color: black;
            
        
        }
    }



 
@media screen and (max-width: 500px) { 
    .un{ 
        background-position-x:  60%;
   }
    header  img{
        width: 60px;
        margin: 0px 40px 0px 20px;
        
    }
    header .deux h2{ 
        font-size: 12px;
        width: 80%;
        line-height: 20px;
    
     
    }   
    .uno h4{ 
        font-size: 13px; 
        font-family: Arial, Helvetica, sans-serif;
        padding-top:30px;
        background-color: rgba(128, 128, 128, 0.507);
        padding-bottom: 20px;  
        padding-left: 20px;
        color: rgb(8, 8, 8)
    }
    .uno h4 span {  
        color: rgb(30, 137, 207); 
    } 
    .uno .premier{ 
        padding-top: 80px;
        width: 90%;
    
    }
     
    .uno .premier img{
        width: 60px;
        margin-left: 6%;
        margin-right: 5%;
    }
    .uno .premier .nom{ 
        padding: 15px  20px;
        border-radius: 10px;
        line-height: 20px;
        width: 60%;
    }
    .uno .premier .nom h2 {
        font-size: 10px; 
        letter-spacing: 1px; 
    
    }
    .uno .premier .nom p{ 
        font-size:15px;
        letter-spacing: 1px; 
        color: rgb(0, 0, 0);
    
    } 
    .bouton{
        margin-left: 10px;
        font-size: 12px;
        background-color: rgb(238, 107, 67);
        padding: 3px;
        border: none;
        border-radius: 10%;

    }
    .uno .deuxieme{ 
        padding-top: 30px;
        width: 90%;
    
     }
     
    .uno .deuxieme img{
        width: 55px;
        margin-left: 7%;
        margin-right: 5%;
    }
    .uno .deuxieme .nom{ 
        padding: 15px  20px;
        border-radius: 10px;
        line-height: 20px;
        width: 60%;
    }
    .uno .deuxieme .nom h2 {
        font-size: 10px; 
        letter-spacing: 1px; 
        
    }
    .uno .deuxieme .nom p{ 
        font-size: 15px;
        letter-spacing: 1px; 
        color: rgb(0, 0, 0);
    
    } 
     
    .uno .quatrieme{ 
        padding-top: 30px;  
        padding-bottom: 35vh;
        width: 90%;
    
     }
     
    .uno .quatrieme img{
        width: 55px;
        margin-left: 7%;
        margin-right: 5%;
    }
    .uno .quatrieme .nom{ 
        padding: 15px 20px;
        border-radius: 10px;
        line-height: 20px;  
        width: 60%;
    }
    .uno .quatrieme .nom h2 {
        font-size: 10px; 
        letter-spacing: 1px; 
    
    }
    .uno .quatrieme .nom p{ 
        font-size: 15px; 
        color: rgb(0, 0, 0);
        letter-spacing: -1px;
    }
    .uno .quatrieme .nom .boutonE{ 
        font-size: 12px;
        background-color: rgb(238, 107, 67);
        padding: 3px;
        border: none;
        border-radius: 10%;

    }
    .uno .quatrieme .nom h3{
        font-size: 13px; 
        margin-top: 7px;
    
    }  
    .nom a{  
        font-size: 12px;
        background-color: rgb(30, 137, 207);
        padding: 3px;
        border: none;
        border-radius: 10%; 
        font-family: Arial, Helvetica, sans-serif;
        cursor: pointer;
        text-decoration: none; 
        color: black;
        
    
    }
 }