html{
    background-image: none;
}

h1 {
    font-size: 4em;
    font-style: italic;
    font-weight: bold;
    text-align: center;
}

legend {
    margin: 0 auto;
    margin-top: 3%;
    font-size:3em;
}

fieldset{
    text-align: justify;
    margin: 0 auto;
    border-radius: 10px;
    border-width: 5px;
    border-style: solid;
    border-color: aqua;
    width: 50%;
}

form{
    text-align: center;
}


input[type="text"]{
    font-size: 15px;
    padding: 5px;
}


input[type="submit"]{
    text-align:center;
    font-size: 15px;
    margin-top:10px;
    padding: 5px;
}

div{
    margin: 10px 0px 10px 0px;
}

#div_submit{
    align-content: center;
}

form select input{
    margin-bottom: 10px;
}

#localisation_fieldset input{
    margin:10px;
}

#localisation_fieldset select{
    margin:10px;
}

#population_fieldset input{
    margin:10px;
}

#product_fieldset label{
    margin-right: 10px;
}