html,body {

    background-image: url('blur-image.jpg');

    background-attachment: fixed;

    background-size: cover;

    margin:0px;

    height:50vh;

}

.center {

    display:flex;

    align-items:center;

    justify-content:center;

  }

.content{

    margin-top:10%;

}

.center img {

    max-width: 500px;

    max-height: 500px;

    margin:0 auto;

    margin-top:20px;

    margin-bottom:20px;

}

.center h1 { color: #000; text-shadow: 0 0 10px rgba(0,0,0,1); letter-spacing:1px; text-align: center;  font-size: 50px; }