* {
    margin: 0;
    padding: 0;
}

body {
    background-color: #F5F5F5;
}

.wrapper {
    
}

header {
    background-color: #262626;
    color: #FFFFFF;
    padding: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

header img{
    width: 200px;
}

header a {
    color: white;
    text-decoration: none;
    padding: 10px;
    font-size: 18px;
}

nav {
    display: flex;
    justify-content: space-between;
}

main {
    width: 70%;
    min-height: stretch;
    margin: 0 auto;
    background-color: #FFFFFF;
    padding: 30px;
}

h1 {
    margin-bottom: 10px;
    color: #04C711;
}

main p {
    margin-bottom: 10px;
}

h3 {
    margin-top: 20px;
    margin-bottom: 10px;
    color: #36AEE2;
    font-size: 22px;
}

.bold {
    font-weight: bold;
    font-size: 18px;
    margin-top: 25px;
}

a {
    text-decoration: none;
}

main img {
    max-width: 100%;
    max-height: 500px;
    margin-top: 20px;
}

.klein {
    width: 400px
}

.block {
    margin-bottom: 10px;
    display: block;
}

.center {
    margin: 20px auto;
    display: block;
}

.caption {
    font-style: italic;
}

ul, ol {
    padding-left: 20px;
    margin-bottom: 30px;
}

table, th, td {
    border: 1px solid black;
    border-collapse: collapse;
    padding: 3px;
}

footer {
    background-color: #262626;
    color: #FFFFFF;
    padding: 5px 20px;
    margin-top: 20px;
    display: flex;
    align-items: center;
}