@font-face {
    font-family: 'vazir';
    src: url('/font/vazir.eot'); /* IE9 Compat Modes */
    src: url('/font/vazir.eot') format('embedded-opentype'), /* IE6-IE8 */
         url('/font/Vazir.woff2') format('woff2'), /* Super Modern Browsers */
         url('/font/vazir.woff') format('woff'), /* Pretty Modern Browsers */
         url('/font/vazir.ttf')  format('truetype'); /* Safari, Android, iOS */
        /* url('webfont.svg#svgFontName') format('svg');*/ /* Legacy iOS */
  }

  * , *::after , *::before {
      box-sizing: border-box;
      padding: 0;
      margin: 0;
}

body {
    direction: rtl;
    display: flex;
    flex-direction:column;
    font-family: vazir;
    height: 100vh;
}

#container {
    width: 100%;
    height: 100%;
    background-image: url("../pic/404.jpg");
    /* برای این کار تنظیمات عکس بک گراند رو در حالت پیش فرض بگذارید*/
}

.content {
    width: 600px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 75px auto;
}

.content h2 {
    font-size: 250px;
    color: white;
    text-shadow: 2px 2px 10px #000;
    cursor:default;
}
.content h3 {
    font-size: 50px;
    color: white;
    margin-top: -50px;
    text-shadow: 1px 1px 5px #000;
    cursor: default;
}
.content h4 {
    font-size: 25px;
    color: white;
    margin: 20px auto;
    text-shadow: 1px 1px 5px #000;
    cursor: default;
}
.content a {
    text-decoration: none;
    color: white;
    font-size: 20px;
    text-shadow: 1px 1px 1px #000;
    padding: 10px 10px;
    margin: 20px auto;
    background-color: blueviolet;
    border-radius: 15px;
    -webkit-border-radius: 15px;
    -moz-border-radius: 15px;
    -ms-border-radius: 15px;
    -o-border-radius: 15px;
}