Funcão para exibir mensagem do contact form 7

main.css

.wpcf7-response-output.wpcf7-mail-sent-ok {
 display: inline-block;
    padding: 20px 10px;
    text-align: center;
    width: 100%;
    background-color: #2E5E94;
    color: #fff;
    position: fixed;
    top: -70px;
    left: 0;
    z-index: 1000;
    transition: all 0.2s;
}

.wpcf7-response-output.wpcf7-validation-errors {
    display: inline-block;
    padding: 20px 10px;
    text-align: center;
    width: 100%;
    background-color: red;
    color: #fff;
    position: fixed;
    top: -70px;
    left: 0;
    z-index: 1000;
    transition: all 0.2s;
}

main.js

$(function(){

   function remove_mensage(){
      $(".wpcf7-response-output.wpcf7-validation-errors").css('top','-80px');
   };

      function show_mensage(){
      $(".wpcf7-response-output.wpcf7-validation-errors").css('top','0px');
   };

   window.setTimeout( show_mensage, 1000 ); // 1 seconds
   window.setTimeout( remove_mensage, 10000 ); // 5 seconds
});