.container {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    position: relative; 
}

.blue-box {
    width: 500px;
    height: 500px;
    background-color: blue;
    position: absolute; 
    z-index: 2; 
}

p {
    position: absolute; 
    z-index: 1; 
}