* {
    box-sizing: border-box;
}
body, html {
    margin: 0;  
    padding: 0; 
    font-family: 'Nunito';
}

.container {
    width: 90%;
    margin: auto;
    position: relative;
    z-index: 500;
}
.pres {
    padding-left: 150px;
    padding-right: 150px;
    z-index: -999;
}
.container p{
    font-size: 18px;
}
.btn {
        color: #ffffff;
        text-decoration: none;
        padding: 13px 18px;
        background: #34495e;
        border-radius: 25px;
        border: 2px solid #34495e;
        transition: all 0.3s ease-in-out;
}
.boutonNL {
    text-align: center;
    margin-top: 30px;
    margin-bottom: 30px;
}   
.boutonNL a{
    text-decoration: none;
    color: white;
    border: solid 2px #34495e;
    padding: 10px;
    background: #34495e;
    border-radius: 25px;
    transition: all 0.3s ease-in-out;
}
.boutonNL a:hover{
    text-decoration: none;
    color: #34495e;
    border: solid 2px #34495e;
    padding: 10px;
    background: orange;
    border-radius: 25px;
}
.btn:hover {
    color: #34495e;
    background: orange;
}
@media (max-width: 768px) {
    .pres {
        padding-left: 20px;
        padding-right: 20px;
    }
    .container p{
        font-size: 16px;
    }
}