#btn_devis{
	display:inline-block;
	padding: 1% 3%;
    background: #3c9151;
	color:#fff;
    margin: auto;
    text-align: center;
    margin-bottom: 2%;
	float:right;
	border-radius:3px;
	border:solid 1px #3c9151;
	transition: all linear 0.5s;
}

#btn_devis:hover{
	background-color:transparent;
	color:#3c9151;
}

#btn_devis img{
	transition: all linear 0.5s;
}

#btn_devis:hover img{
	filter: brightness(0) saturate(100%) invert(44%) sepia(66%) saturate(382%) hue-rotate(83deg) brightness(94%) contrast(89%);
}