* {
    padding: 0;
    margin: 0;
}

body {
    background-color: rgb(50, 50, 50);
    height: 100%;
}

header {
    background-color: rgb(55, 55, 55);
    text-align: center;
    width: 100%;
    height: 70px;
    font-family: 'Georgia', 'Times New Roman', serif;
    font-style: italic;
    font-size: x-large;
    border-bottom-right-radius: 100px;
}

main {
    color: rgb(240, 240, 240);
    font-family: Arial, Helvetica, sans-serif;
    font-size: large;
    padding: 20px;
    margin-left: 280px;
}

footer {
    height: 100px;
    background-color: rgb(55, 55, 55);
    border-top-right-radius: 100px;
    color: rgb(240, 240, 240);
    display: flex;
    align-items: center;
    justify-content: center;
}

h2 {
    font-family: 'Times New Roman', Times, serif;
    font-style: italic;
    text-decoration: underline;
    margin-left: -30px;
}

.Sidebar {
    background-color: rgb(60, 60, 60);
    color: rgb(240, 240, 240);
    width: 200px;
    height: 100%;
    padding: 20px;
    position: fixed;
    top: 0;
    left: 0;
}

a {
    color: rgb(120, 160, 255);
    font-size: medium;
    font-style: italic;
    text-decoration: none;
}

.container {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

table,
th,
tr {
    border: 2px solid;
    padding: 10px;
    text-align: center;
    font-weight: normal;
}

table {
    border-collapse: collapse;
    width: 600px;
}

#top_table {
    text-decoration: underline dotted 2px;
}

#erdaufbau {
    height: 300px;
    width: 300px;
    border: solid 1px;
    background-color: rgb(100, 100, 100);
}