body {
         background: #0000FF;
         font-family: Verdana;
}
.menu {
         background: #0055FF;
         color: #000000;
}
li {
        background-color: #fffbf0;
        list-style-image: url('lipfeil.jpg');
        list-style-color: #ffffff;
        line-height: 1.5em;
        color: #000000;
}
#additional-info {
         background: #fffbf0;
         border: thin solid #e7c157;
         max-width: 30em;
         position: absolute;
         line-height: 100%;
         margin: 4rem auto;
         padding: 1rem;
}
#nachoben {
        bottom: 1px;
        margin: 1px;
        padding: 0.3em 2em;
        position: fixed;
        right: 0;
        color: #FFFFFF;
}
#oben {
        top: 1px;
        margin: 1px;
        padding: 0.3em 2em;
        position: fixed;
        left: 3px;
        color: #FFFFFF;
}
.flex-container {
         display: flex;
         align-items: flex-start;
         background-color: #0000FF;
         justify-content: center;
         flex-direction: row;
         flex-flow: row wrap;
}

.flex-item1 {                    /*header*/
         background: #0000FF;
         width: 100%;
         margin: 1px;
         text-align: center;
         line-height: 20px;
         font-size: 18px;
}
.flex-item2 {                   /*section1*/
         background: #0000FF;
         width: 100%;
         text-align: left;
         line-height: 20px;
         font-size: 20px;
}

.flex-item3 {                    /*article*/
         background-color: white;
         margin: 1px;
         line-height: 20px;
         font-size: 14px;
         flex: 3;
}
.flex-item3a {                    /*article*/
         background-color: white;
         margin: 3px;
         padding-left: 20px;
         line-height: 30px;
         font-size: 14px;
         flex: 2;
}
.flex-item4 {                    /*asiede*/
         background-color: #0000FF;
         margin: 0px;
         line-height: 20px;
         font-size: 14px;
         flex: 1;
}
.flex-item4a {                    /*asiede*/
         background-color: #0000FF;
         margin: 0px;
         line-height: 10px;
         font-size: 14px;
         flex: 2;
}
.flex-item5 {                   /*section2*/
         background: #0000FF;
         width: 100%;
         text-align: center;
         line-height: 30px;
         font-size: 20px;
}
.flex-item6 {                    /* footer*/
         background: #0000FF;
         width: 100%;
         margin: 15px;
         text-align: left;
         line-height: 20px;
         font-size: 14px;
         color; #FFFFFF;
}