* {
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
}

body {
    width: 100%;
    font-family: sans-serif;
    background-color: #d1d1d1; /*d1d1d1*/
    margin: 0px;
}

#main {
    width: 100%;
    font-size: 20px;
    background-color: #d1d1d1; 
    margin-left: auto; /*in der Mitte; zusammen mit margin-right*/
    margin-right: auto;
    display: flex; 
    justify-content: center;
}

.main_1 {
    width: 95%;
    margin-left: auto;
    margin-right: auto;
    display: flex;
    justify-content: space-between;
}

.main_bild {
    width: 95%;
    margin-left: auto;
    margin-right: auto;
    display: flex;
    justify-content: space-between;
}

.foto {
    width: 100%;
    padding: 0px;
    padding-top: 20px;
    display: flex;
    justify-content: center;
}

.text_start {
    padding: 0px;
    margin-left: 30px;
    margin-right: 30px;
    margin-top: 0px;
    margin-bottom: 0px;
    font-size: 50px;
    display: flex;
    background-color: #d1d1d1; 
    justify-content: center;
    align-items: center;
    font-family: serif;
    text-align: center; /*Text zentriert*/
    line-height: 1.5em;
    color: grey;
}

a {text-decoration: none;} /*für Link*/