form>div[class="mesboutons"]>a,
form>div[class="mesboutons"]>button {
    float: left;
    height: 100%;
    line-height: 40px;
    border: none;
    
    font-size: 16px;
    color: white;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;

    box-sizing: border-box;
    
    -moz-border-radius: 5px;
    -webkit-border-radius: 5px;
    border-radius: 5px;
    
    transition-property: background-color;
    transition-duration: 0.5s;
    transition-timing-function: ease-in-out;
    transition-delay: 0s;
}

form>div[class="mesboutons"]>* {margin-right: var(--ecart_bouton);}
form[data-nb='1']>div[class="mesboutons"]>* {width:calc(100%/1 - var(--ecart_bouton));}
form[data-nb='2']>div[class="mesboutons"]>* {width:calc(100%/2 - var(--ecart_bouton));}
form[data-nb='3']>div[class="mesboutons"]>* {width:calc(100%/3 - var(--ecart_bouton));}
form[data-nb='4']>div[class="mesboutons"]>* {width:calc(100%/4 - var(--ecart_bouton));}
form[data-nb='5']>div[class="mesboutons"]>* {width:calc(100%/5 - var(--ecart_bouton));}

form>div[class="mesboutons"]>*:last-child {margin-right: 0px;}
form[data-nb='1']>div[class="mesboutons"]>*:last-child {width:calc(100%/1);}
form[data-nb='2']>div[class="mesboutons"]>*:last-child {width:calc(100%/2);}
form[data-nb='3']>div[class="mesboutons"]>*:last-child {width:calc(100%/3);}
form[data-nb='4']>div[class="mesboutons"]>*:last-child {width:calc(100%/4);}
form[data-nb='5']>div[class="mesboutons"]>*:last-child {width:calc(100%/5);}

#formulaire form>div[class="mesboutons"]>*[data-nav='cancel'] {background-color: var(--C_grey1);}
#formulaire form>div[class="mesboutons"]>*[data-nav='cancel']:hover {background-color: tomato;}

#formulaire form>div[class="mesboutons"]>*[data-nav='send'] {background-color: var(--C_green1);}
#formulaire form>div[class="mesboutons"]>*[data-nav='send']:hover {background-color: var(--C_green2);}

#formulaire form>div[class="mesboutons"]>*:disabled,
#formulaire form>div[class="mesboutons"]>*:disabled:hover {background-color: var(--C_grey1);cursor: not-allowed;}