body {
    margin: 0;
    font-family: Helvetica, Arial, sans-serif;
}

nav {
    box-sizing: border-box;
    width: 100%;
    padding: 1rem;
    background-color: #cfe5f5;
    border-bottom: solid #333;
}

nav a {
    font-family: 'Georgia', 'Arial', serif;
    padding: 10px;
    margin: 0 5px;
    border-radius: 5px;
    text-decoration: none;
    color: #333;
    font-weight: bold;
}

nav a:hover {
    background-color: #333;
    color: #cfe5f5;
}

.hidden {
    display: none;
}

.outside-container {
    margin: 1rem;
    display: flex;
    justify-content: flex-start;
}

.column-container {
    margin: 1rem;
    display: flex;
    flex-direction: column;
}

.textblock-blue {
    display: flex;
    margin: 1rem;
    background-color: #cfe5fe;
    border: 0.1rem solid black;
    border-radius: 0.5rem;
}

.textblock-blue * {
    padding: 1rem;
}

.toolbar {
    display: flex;
    flex-direction: row;
    margin: 1rem;
    padding: 1rem;
    background-color: #cfe5fe;
    border: 0.1rem solid black;
}

.toolbar div{
    margin-right: 0.5rem;
}

.collection {
    display: flex;
    margin: 1rem;
    background-color: #cfe5fe;
    border: 0.1rem solid black;
    border-radius: 0.5rem;
}

.collection div {
    padding: 0.5rem;
    padding-left: 1rem;
}

.collection a {
    font-family: 'Georgia', 'Arial', serif;
    text-decoration: none;
}

.list_block {
    display: flex;
    margin: auto;
    margin-bottom: 0.5rem;
    flex-direction: column;
    padding: 1rem;
    background-color: #cfe5f5;
    border: 0.1rem solid black;
    border-radius: 0.5rem;
}

.block-row {
    display: flex;
    flex-direction: row;
}

.block-row p {
    margin: 0.5rem;
}