body {margin: 0 auto;background-color: #eefffe;font-family: Arial, Helvetica, sans-serif;}
.top_img_overlay{position: absolute;top: 260px;left: 50%;transform: translate(-50%, -1%);
                background-color: rgba(0, 0, 0, 0.5);padding: 1em;border-radius: 25px;}
top_bar {height:15px;background-color: black;z-index: 100;color:white;}