div {
    /* border: 2px solid yellowgreen; */
}


.div_float_clear {
    clear: both;
}


/* The snackbar - position it at the bottom and in the middle of the screen */
#snackbar {
    visibility: hidden; /* Hidden by default. Visible on click */
    min-width: 800px; /* Set a default minimum width */
    margin-left: -400px; /* Divide value of min-width by 2 */
    background-color: #333; /* Black background color */
    color: #fff; /* White text color */
    text-align: center; /* Centered text */
    border-radius: 2px; /* Rounded borders */
    padding: 16px; /* Padding */
    position: fixed; /* Sit on top of the screen */
    z-index: 1; /* Add a z-index if needed */
    left: 50%; /* Center the snackbar */
    bottom: 30px; /* 30px from the bottom */
}
    
/* Show the snackbar when clicking on a button (class added with JavaScript) */
#snackbar.show {
    visibility: visible; /* Show the snackbar */
    /* Add animation: Take 0.5 seconds to fade in and out the snackbar.
    However, delay the fade out process for 2.5 seconds */
    /*
    -webkit-animation: fadein 0.5s, fadeout 0.5s 2.5s;
    animation: fadein 0.5s, fadeout 0.5s 2.5s;
    */
}