body {
    margin: 0;
    background: linear-gradient(to bottom right,
        #013c4a 0,
        #193e4c 44%,
        #004b5b 100%);
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

* {
    box-sizing: border-box;
}
.rahmen {
    max-width: 800px;
    width: 100%;
    margin: 0 auto;
}
.container {
  width: 100%;
  display: flex;
  justify-content:center;
  flex-direction: row;
  flex-wrap: wrap;
}

.behaelter {
    width: min(360px, 100%);
    margin: 5px;
}
.behaelter2 {
    width: min(360px, 100%);
    margin: 5px;
    padding: 10px 5px;
    background-color: #fff;
}
.behaelter2 img {
    width: 100%;
    height: auto;
    display: block;
}

.behaelter img {
    width: 100%;
    height: auto;
    display: block;
}
.footer {
    background-color: rgb(240,233,181);
    width: 100%;
    display: flex;
    justify-content:center;
    flex-direction: row;
    flex-wrap: wrap;
    height: 50px;
}
button {
    height: 30px;
    margin: 10px 20px;
    border-radius: 10px;
}
a {
    text-decoration: none;
    color: #000;
}