.trennbox {
		width: 100%;
		height: 2rem;
		clear:left;
		background-color: silver;
		padding-left: 20px;
		padding-top: 5px;
		padding-bottom: 5px;
		margin: 3px;
		border: 1px solid black;
		border-radius: 4px;
	}
	.trennstrich {
		width: 100%;
		height: 3px;
		clear:left;
		background-color: silver;
		border-radius: 4px;
	}
	.notizbox {
		width: 100%;
		min-height: 2rem;
		clear:left;
		background-color: yellow;
		padding: 10px;
		margin: 5px;
		border: 1px solid silver;
		border-radius: 4px;
	}
	.delbtn {
		min-width: 20px;
		min-height: 25px;
		padding: 0.01rem 0.5rem;
		margin-right: 2px;
	}
	.addbtn {
		min-width: 20px;
		min-height: 25px;
		padding: 0.01rem 0.01rem;
		margin-right: 2px;
	}
	.card {
		float: left;
	}
	.card-header {
		padding: 0.2rem 0.5rem;
		min-height: 58px;
	}
	.card-body {
		padding: 0.3rem;
		text-align: center;
		/*min-height: 97px;*/
	}
	.card-title {
		margin-bottom: 0px; /* 0.5rem; */
	}
	.normal {
		background-color: lightgreen;
	}
	.belegt {
		background-color: #F90;
	}
	.jumbotron {
		padding: 0.2rem 1rem;
		margin-bottom: 1rem;
	}
	.error-messages {
		color: red;
		font-size: 12px; 
	}
/* 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: 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;
}
#snackbar_error {
    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: 30px; /* 30px from the bottom */
}

/* Show the snackbar when clicking on a button (class added with JavaScript) */
#snackbar_error.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: 0; opacity: 0;} 
    to {bottom: 30px; opacity: 1;}
}

@keyframes fadein {
    from {bottom: 0; opacity: 0;}
    to {bottom: 30px; opacity: 1;}
}

@-webkit-keyframes fadeout {
    from {bottom: 30px; opacity: 1;} 
    to {bottom: 0; opacity: 0;}
}

@keyframes fadeout {
    from {bottom: 30px; opacity: 1;}
    to {bottom: 0; opacity: 0;}
}