CSS dosyası bağlanmıyor

*{
 margin: 0;
 padding: 0;
    }

.container{
        background-image: url('indir\ \(2\).jpg');
        height: 100vh;
        background-size: 100% 100%;
}

.navbar.logo.a{
    display: inline-block;
    margin-left: 50px;
    margin-top: 20px;   
}

.navbar.logo.a{
    text-decoration: none;
    font-size: 30px;
    font-family: sans-serif;
    color: #f3f3f3;;
}

.navbar ul{
    float: right;
    margin-right: 20px;
}

.navbar ul li a{
    text-decoration: none;
    color: #f3f3f3;
    font-family: calibri;
    font-size: 20px;
    border: 1px solid white;
    box-sizing: border-box;
    padding: 8px;
}

.navbar ul li a:hover{
    box-shadow: 0 10px red;
}

.navbar ul li{
    list-style-type: none;
    display: inline-block;
    margin: 0 25px;
}

.content{
    width: 100%;
    position: absolute;
    top: 40%;
    color: white;
    text-align: center;
}

.content h1{
  font-size: 65px;
  text-align: center;
}

.content p{
    margin: 20px auto;
}