.container{
    display: grid; 
    row-gap: 5px;
    align-content: end;
    justify-content: center;
    grid-template-columns: [line1] minmax(310px auto) [line2] 1fr ;
    /*
    margin: 5px 5px;
    grid-gap: 5px;
    grid-auto-flow: dense;
    justify-content: start;
    row-gap: 10px;
    grid-template-rows: repeat(6 );
    grid-template-areas: "pic exp";
    */
}

/* Überschrift */
.txto{
    grid-column-end:span 2;
    position: relative;
    top: 0.6em;
    left: 0.5em;
}

/* Bild */
.pic{
    margin:5px ;
    width:300px;
    /*
    height:200px;
    background-color: wheat;
    vertical-align: middle;
    */
}

/* Beschreibung */
.txt{
    margin: 5px;
    max-width: 400px;
    /*
    background-color: aqua;
    text-align: left;
    margin:10px 10px;
    */
}