.wisa-aanmelden-google {
    background-image: url('../pics/google_login.png') !important; 
	background-color: #ffffff; border:none;
}
.wisa-aanmelden-office365 {
    background-image: url('../pics/office365_login.png') !important; 
	background-color: #ffffff; border:none;

}
.wisa-aanmelden-facebook {
    background-image: url('../pics/facebook_login.png') !important; 
    background-color: #ffffff; border:none;
}