.container{
    position: relative;
    display: inline-block;
}

.container img{
    display: block;
    width: 100%;
    height: auto;
}

.overlay-text {
    position: absolute;
    top: 20px;
    left: 20px;
    color: white;
    font-size: 24px;
    font-weight: bold;
}