body {
    background: url('https://wallpapers.com/images/hd/elegant-2560-x-1440-background-1jgmt6l7kwdx55yf.jpg') no-repeat center center fixed; 
    background-size: cover; 
    height: 100vh; 
    margin: 0; 
    position: relative; 
}

body::before {
    content: ""; 
    position: absolute; 
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.3); 
    z-index: 1; 
}

.flex-cont {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%; 
    z-index: 2; 
}

.first-sec, .second-sec {
    font-family: Arial, sans-serif;
    text-align: center;
    padding: 20px;
    margin: 10px;

    
    background: rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.1);



    color: white; 
    position: relative; 
    z-index: 3; 
}

.second-sec:hover {
    transform: perspective(500px) rotateY(10deg) rotateX(10deg);
}