.form_newsletter label{line-height: 2; display:block;margin-top: .5rem;}
.form_newsletter input[type=text],.form_newsletter input[type=email]{
     width: calc(100% - 40px);
    margin-left: auto;
    margin-right: auto;
    max-width:700px;
  }
.form_newsletter form{width:100%}