سلام من همه چی عین استاد نوشتم اما وقتی سایز کمتر از 1200 میشه عین خود استاد نمیشه

کدها :
.img-header{
min-height: 95vh;
}
div.overlay{
width: 100%;
background-color: rgba(0, 0, 0,.2);
min-height: 95vh;
}
.header-titel{
color: white;
margin: 290px auto;
max-width: 380px;
}
.header-titel a{
background-color: rgb(235, 177, 135);
padding: 5px 1px;
border-radius: 3px;
color: white;
float: left;
margin-left: 30px;
}
@media screen and (max-width:1200px){
.header-titel{
width: 100%;
margin: 0;
background-color: rgb(255, 255, 255,.4);
color: black;
padding: 20px;
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%,-50%);
border-radius: 5px;
}
.verlay, .img-header{
min-height: 100%;
}
}
@media screen and (max-width:678px){
.header-titel h1{
font-size: 20px;
}
.header-titel h3{
font-size:16px ;
}
.header-titel a{
font-size: 14px;
}
}
<!DOCTYPE html>
<html lang="fa" dir="rtl">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>جلسه اول</title>
<link
rel="stylesheet"
href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.2/css/all.min.css"
integrity="sha512-SnH5WK+bZxgPHs44uWIX+LLJAJ9/2PkPKZ5QiAj6Ta86w+fsb2TkcmfRyVX3pBnMFcV7oQPJkl9QevSCWr3W6A=="
crossorigin="anonymous"
referrerpolicy="no-referrer"
/>
<link rel="stylesheet" href="../css/grid-layout.css" />
<link rel="stylesheet" href="../css/style.css" />
<style></style>
</head>
<body>
<div class="container-fluid container-fluid-custom">
<div class="container">
<div class="row">
<div class="col-xs-6 col-s-6 col-md-6 col-l-6 col-xl-6 contact">
<i class="fa-solid fa-envelope xs-hidden"
><span class="xs-hidden"> MAHTA@1234</span></i
>
<i class="fa-solid fa-phone"><span>1234567899</span></i>
</div>
<div class="col-xs-6 col-s-6 col-md-6 col-l-6 col-xl-6 media">
<a href=""><i class="fa-brands fa-telegram"></i></a>
<a class="xs-hidden" href=""
><i class="fa-brands fa-facebook"></i
></a>
<a href=""><i class="fa-brands fa-instagram"></i></a>
<a class="xs-hidden" href=""
><i class="fa-brands fa-twitter"></i
></a>
</div>
</div>
</div>
</div>
<nav class="nav" id="mynav">
<div class="container">
<div class="row">
<div class="col-xs-12 col-s-12 col-md-12 col-l-12 col-xl-12">
<a href=""><i class="fa-solid fa-graduation-cap"></i></a>
<a href="" class="active">خانه</a>
<a href="">دوره آموزشی</a>
<a href="">درباره ما</a>
<a href="">مطالب ها</a>
<a href="javascript:void(0)" class="icon" onclick="myFunc();"
><i class="fa-solid fa-bars"></i
></a>
</div>
</div>
</div>
</nav>
<header class="container-fluid">
<div class="row">
<div class="col-xs-12 col-s-12 col-md-12 col-l-12 col-xl-12 p-0">
<figure>
<div class="overlay absolute">
<div class="header-titel">
<h1 class="mb-20">آموزش نوین </h1>
<h3 class="mb-20">برگزاری دورههای برنامه نویسی و آموزش کامپیوتر</h3>
<a class="mb-20" href="">بیشتر بدانید....</a>
</div>
</div>
<img class=" img-header img-responsive" src="../img/header.jpg" alt="">
</figure>
</div>
</div>
</header>
<script src="/my project1/main.js"></script>
</body>
</html>
*,
body {
margin: 0;
padding: 0;
box-sizing: border-box;
font-family: Vazir-Medium;
}
body {
direction: rtl;
}
a {
text-decoration: none;
}
figure{
position: relative;
}
li,
ol,
ul {
margin: 0;
padding: 0;
list-style: none;
}
.red-Color {
background-color: red;
}
.yellow-Color {
background-color: yellow;
}
.blue-Color {
background-color: blue;
}
.darkblue-Color{
background-color: rgb(20, 20, 59);
}
.green-Color {
background-color: green;
}
.gray-Color {
background-color: #eee;
}
.mb-20{
margin-bottom: 20px;
}
.mt-20{
margin-top: 20px;
}
.mt-100{
margin-top: 100px;
}
.mt-250{
margin-top: 250px;
}
.p-0{
padding: 0!important;
}
.m-0{
margin: 0;
}
.m-50{
margin: 50px;
}
.text-center{
text-align: center;
}
.img-responsive{
width: 100%;
height: auto;
display: block;
}
.relative{
position: relative;
}
.absolute{
position: absolute;
}
.round-corner{
border-radius: 5px;
}
.box-shadow{
box-shadow: 0px 0px 2px 0px #d0d0d0;
}
.container-fluid {
width: 100%;
}
.clear{
clear: both;
}
.container {
clear: both;
max-width: 1200px;
/* margin: 0 auto; */
margin-left: auto;
margin-right: auto;
}
.row::after {
content: "";
clear: both;
display: table;
}
[class^="col-"] {
float: right;
padding-left: 15px;
padding-right: 15px;
}
@media only screen and (max-width: 600px) {
.xs-hidden{
display: none;
}
.col-xs-1 {
width: 8.33%;
}
.col-xs-2 {
width: 16.66%;
}
.col-xs-3 {
width: 25%;
}
.col-xs-4 {
width: 33.33%;
}
.col-xs-5 {
width: 41.66%;
}
.col-xs-6 {
width: 50%;
}
.col-xs-7 {
width: 58.33%;
}
.col-xs-8 {
width: 66.66%;
}
.col-xs-9 {
width: 75%;
}
.col-xs-10 {
width: 83.33%;
}
.col-xs-11 {
width: 91.66%;
}
.col-xs-12 {
width: 100%;
}
.col-xs-offset-0{
margin-right: 0;
}
.col-xs-offset-1{
margin-right: 8.33%;
}
.col-xs-offset-2{
margin-right: 16.66%;
}
.col-xs-offset-3{
margin-right: 25%;
}
.col-xs-offset-4{
margin-right: 33.33%;
}
.col-xs-offset-5{
margin-right: 41.66%;
}
.col-xs-offset-6{
margin-right: 50%;
}
.col-xs-offset-7{
margin-right: 58.33%;
}
.col-xs-offset-8{
margin-right: 66.66%;
}
.col-xs-offset-9{
margin-right: 75%;
}
.col-xs-offset-10{
margin-right: 83.33%;
}
.col-xs-offset-11{
margin-right: 91.66%;
}
.col-xs-offset-12{
margin-right: 100%;
}
}
@media only screen and (min-width: 600px) {
.s-hidden{
display: none;
}
.col-s-1 {
width: 8.33%;
}
.col-s-2 {
width: 16.66%;
}
.col-s-3 {
width: 25%;
}
.col-s-4 {
width: 33.33%;
}
.col-s-5 {
width: 41.66%;
}
.col-s-6 {
width: 50%;
}
.col-s-7 {
width: 58.33%;
}
.col-s-8 {
width: 66.66%;
}
.col-s-9 {
width: 75%;
}
.col-s-10 {
width: 83.33%;
}
.col-s-11 {
width: 91.66%;
}
.col-s-12 {
width: 100%;
}
.col-s-offset-0{
margin-right: 0;
}
.col-s-offset-1{
margin-right: 8.33%;
}
.col-s-offset-2{
margin-right: 16.66%;
}
.col-s-offset-3{
margin-right: 25%;
}
.col-s-offset-4{
margin-right: 33.33%;
}
.col-s-offset-5{
margin-right: 41.66%;
}
.col-s-offset-6{
margin-right: 50%;
}
.col-s-offset-7{
margin-right: 58.33%;
}
.col-s-offset-8{
margin-right: 66.66%;
}
.col-s-offset-9{
margin-right: 75%;
}
.col-s-offset-10{
margin-right: 83.33%;
}
.col-s-offset-11{
margin-right: 91.66%;
}
.col-s-offset-12{
margin-right: 100%;
}
}
@media only screen and (min-width: 768px) {
.m-visible{
display: inline-block;
}
.col-md-1 {
width: 8.33%;
}
.col-md-2 {
width: 16.66%;
}
.col-md-3 {
width: 25%;
}
.col-md-4 {
width: 33.33%;
}
.col-md-5 {
width: 41.66%;
}
.col-md-6 {
width: 50%;
}
.col-md-7 {
width: 58.33%;
}
.col-md-8 {
width: 66.66%;
}
.col-md-9 {
width: 75%;
}
.col-md-10 {
width: 83.33%;
}
.col-md-11 {
width: 91.66%;
}
.col-md-12 {
width: 100%;
}
.col-md-offset-0{
margin-right: 0;
}
.col-md-offset-1{
margin-right: 8.33%;
}
.col-md-offset-2{
margin-right: 16.66%;
}
.col-md-offset-3{
margin-right: 25%;
}
.col-md-offset-4{
margin-right: 33.33%;
}
.col-md-offset-5{
margin-right: 41.66%;
}
.col-md-offset-6{
margin-right: 50%;
}
.col-md-offset-7{
margin-right: 58.33%;
}
.col-md-offset-8{
margin-right: 66.66%;
}
.col-md-offset-9{
margin-right: 75%;
}
.col-md-offset-10{
margin-right: 83.33%;
}
.col-md-offset-11{
margin-right: 91.66%;
}
.col-md-offset-12{
margin-right: 100%;
}
}
@media only screen and (min-width: 992px) {
.col-l-1 {
width: 8.33%;
}
.col-l-2 {
width: 16.66%;
}
.col-l-3 {
width: 25%;
}
.col-l-4 {
width: 33.33%;
}
.col-l-5 {
width: 41.66%;
}
.col-l-6 {
width: 50%;
}
.col-l-7 {
width: 58.33%;
}
.col-l-8 {
width: 66.66%;
}
.col-l-9 {
width: 75%;
}
.col-l-10 {
width: 83.33%;
}
.col-l-11 {
width: 91.66%;
}
.col-l-12 {
width: 100%;
}
.col-l-offset-0{
margin-right: 0;
}
.col-l-offset-1{
margin-right: 8.33%;
}
.col-l-offset-2{
margin-right: 16.66%;
}
.col-l-offset-3{
margin-right: 25%;
}
.col-l-offset-4{
margin-right: 33.33%;
}
.col-l-offset-5{
margin-right: 41.66%;
}
.col-l-offset-6{
margin-right: 50%;
}
.col-l-offset-7{
margin-right: 58.33%;
}
.col-l-offset-8{
margin-right: 66.66%;
}
.col-l-offset-9{
margin-right: 75%;
}
.col-l-offset-10{
margin-right: 83.33%;
}
.col-l-offset-11{
margin-right: 91.66%;
}
.col-l-offset-12{
margin-right: 100%;
}
}
@media only screen and (min-width: 1200px) {
.col-xl-offset-0{
margin-right: 0;
}
.colxl-1 {
width: 8.33%;
}
.col-xl-2 {
width: 16.66%;
}
.col-xl-3 {
width: 25%;
}
.col-xl-4 {
width: 33.33%;
}
.col-xl-5 {
width: 41.66%;
}
.col-xl-6 {
width: 50%;
}
.col-xl-7 {
width: 58.33%;
}
.col-xl-8 {
width: 66.66%;
}
.col-xl-9 {
width: 75%;
}
.col-xl-10 {
width: 83.33%;
}
.col-xl-11 {
width: 91.66%;
}
.col-xl-12 {
width: 100%;
}
.col-xl-offset-1{
margin-right: 8.33%;
}
.col-xl-offset-2{
margin-right: 16.66%;
}
.col-xl-offset-3{
margin-right: 25%;
}
.col-xl-offset-4{
margin-right: 33.33%;
}
.col-xl-offset-5{
margin-right: 41.66%;
}
.col-xl-offset-6{
margin-right: 50%;
}
.col-xl-offset-7{
margin-right: 58.33%;
}
.col-xl-offset-8{
margin-right: 66.66%;
}
.col-xl-offset-9{
margin-right: 75%;
}
.col-xl-offset-10{
margin-right: 83.33%;
}
.col-xl-offset-11{
margin-right: 91.66%;
}
.col-xl-offset-12{
margin-right: 100%;
}
}