* {
    box-sizing: border-box;
}
body {
    height: 100vh;
   
    background-size: cover !important;
    background-repeat: no-repeat !important;
    background-position: center !important;
    background-attachment: fixed !important;
  
}
.header {
  position: relative;
}

.kategori {
    font-size: 2rem;
    font-weight: bold;
    height: 110px;
    
    border: 1px solid #fff;
    color: #fff;
    background-position: center !important;
    background-repeat: no-repeat !important;
    background-size: cover !important;
    border-radius: 5px;
  }
  .kategori-baslik {
    width: 100%;
    height: 100%;
    margin: 0 !important;
    display: flex;
  justify-content: center;
align-items: center;
backdrop-filter: brightness(70%);
-webkit-backdrop-filter: brightness(70%);
  }
  .icerik {
    border: 1px solid #fff;
    overflow: hidden;
    display: none;
    color: black;
  }
  .icerik2 {
    padding: 20px 40px 20px 40px !important;
    background-color: rgb(235, 235, 235,.8);
    
  }
 .icerik2 p {
    margin: 0;
 }

  header {
    margin: 0 !important;
    padding: 0 !important;
  }



  nav a {
    text-decoration: none;
    color: #fff;
    font-weight: bold;
    font-size: 2rem;
    margin: auto;
    width: 20% !important;
    height: 150px !important;
    display: block;
  }
  nav .logo img {
    height: 100% !important;
    width: 100%;
  }
  .icerik2 .icindekiler {
    font-size: .8rem;
    padding: 0 20px 0 0px;
    margin: 0 0 5px 0;
    opacity: .5;
  }


  @media only screen and (max-width: 1000px) { 

   
    nav a {
    width: 40% !important;
    height: 100px;

    }
  }

  @media only screen and (max-width: 600px) { 

   
    nav a {
    width: 50% !important;
    height: 100px;

    }
  }