/* 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: 250px; /* Set a default minimum width */ margin-left: -125px; /* 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: 50%; /* 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; } /* Animations to fade the snackbar in and out */ @-webkit-keyframes fadein { from {bottom: 45%; opacity: 0;} to {bottom: 50%; opacity: 1;} } @keyframes fadein { from {bottom: 45%; opacity: 0;} to {bottom: 50%; opacity: 1;} } @-webkit-keyframes fadeout { from {bottom: 50%; opacity: 1;} to {bottom: 45%; opacity: 0;} } @keyframes fadeout { from {bottom: 50%; opacity: 1;} to {bottom: 45%; opacity: 0;} }