body{
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.5);
    background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('./images/main-bg.jpg');    
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
}

.box-frame{
    background: url('./images/box-frame.png');
    width: 518px;
    height: 366px;
}