@charset "UTF-8";
nav {
    list-style: none;
    text-align: center;}
   li {
      width: 140px;
      color: blanchedalmond;
      text-align: center;
        background-color: #f0f8ff;
        display: inline-block;}
   
    nav li a {
        text-decoration: none;
        color: #fff;
        font-weight: bold;}

body{background: #b0c4de;
text-align: center;}

video{width: 45%;
    height: 45%;}
    

@media screen and (max-width: 480px){
    nav {
        list-style: none;
        box-align: center;}
       li {
          width: 80px;
          color: blanchedalmond;
          text-align: center;
            background-color: #f0f8ff;
            display: inline-block;}
       
        nav li a {
            text-decoration: none;
            color: #fff;
            font-weight: bold;}
        }