#contact_ar .css_input{  padding: 15px !important;
    border-color:transparent;
    background: #f8f6f4!important;
    border-radius: 0 !important;
    color: #999 !important;
    margin: 10px 0 !important;
  outline: 0;
  border-width: 0 0 1px 0;
  border-color: transparent;
}
#contact_ar .msg_erreur {color:red;}
  #contact_ar .css_input:focus {
  border-color: #99c23b !important;
}
::-webkit-input-placeholder { /* Chrome/Opera/Safari */
    color: #c3c3c3 !important;
    font-size:14px;
    text-transform:uppercase !important;
}
::-moz-placeholder { /* Firefox 19+ */
    color: #c3c3c3 !important;
    font-size:14px;
    text-transform:uppercase !important;
}
:-ms-input-placeholder { /* IE 10+ */
    color: #c3c3c3 !important;
    font-size:14px;
    text-transform:uppercase !important;
}
:-moz-placeholder { /* Firefox 18- */
    color: #c3c3c3 !important;
    font-size:14px;
    text-transform:uppercase !important;
}
#contact_ar .btn_envoyer {
background: #99c23b;
    color: #fff;
    text-align: center;
    font-size: 18px;
    text-transform: uppercase;
    border-radius: 0 !important;
    padding: 10px;
    left: 50%;
    top: 30px;
    transform: translateX(-50%);
}
#contact_ar .css_error {
    border: 1px solid red !important;
}
#contact_ar .msg_succes {color:green;
text-align:center;
display:block;
}
@media screen and (max-width: 991px)  {
#contact_ar .btn_envoyer{
width:60%
}
}