* {
    box-sizing: border-box;
}


html,
body {
    height: 100%;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
}


.container-fluid {
width: 100%;
    margin: 0;
    padding: 0;
}

header,
nav {

    width: 100%;

}

.header-img {
    display: flex;
    justify-content: flex-start;
    align-content: center;
    text-align: left;
    vertical-align: middle;

    padding: 0.5rem;


}

.center {
    margin: auto;
    width: 90%;

    padding: 0.2rem;
    text-align: center;
}


.header-title h4 {

    display: inline-flex;
    align-content: center;
    vertical-align: middle;
    margin: 0.5rem;

}


.header {
    display: block;
    overflow: hidden;
    background-color: #019934;
    padding: 0.2rem 0.2rem;
    height: 7vh;
    width: 100%;

}

.header a {
    float: left;
    color: black;
    text-align: center;
    padding: 12px;
    text-decoration: none;
    font-size: 18px;
    line-height: 20px;
    border-radius: 4px;
}

.header a.logo {
    font-size: 25px;
    font-weight: bold;
}

.header a:hover {
    background-color: #ddd;
    color: black;
}

.header a.active {
    background-color: dodgerblue;
    color: white;
}

.header-right {
    float: right;
}


.box {

    width: 100%;

}


.container {
    height: auto;
    min-height: 80%;



}

. a.nav-link {

    color: aquamarine;
}

main {
    height: auto;
    padding-bottom: 50px;
    /* Höhe des Footers */
}



ufooter {

    width: 100%;
    margin-top: -50px;
    /* Höhe des Footers */
    position: absolute;
    bottom: 0px;
}

.rfoot {
    display: block;
    text-align: center;
    height: 8vh;
    padding-top: 2.5vh;
}

.footer {
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
  background-color: red;
  color: white;
  text-align: center;
}




.flex-container {
    display: flex;
    flex-wrap: wrap;
    font-size: 0.875em;
    text-align: center;
    width: 100%;
}

.flex-item-left {
    background-color: #f1f1f1;
    padding: 10px;
    flex: 70%;
    height: 100%;
}

.flex-item-right {
    background-color: dodgerblue;
    padding: 10px;
    flex: 30%;
    height: 100%;
}

/*############### Test ####################*/
.row {
    display: flex;
    justify-content: left;
    flex-wrap: nowrap;
    padding: 0 4px;
}


.row > div {
    display: flex;
    flex-direction: row;
    align-items: center;
}

/* Create four equal columns that sits next to each other */

.row img {

    vertical-align: middle;
    margin: 0.2rem;

}


/*#########################################*/

/* Responsive layout - makes a one column layout instead of a two-column layout */
@media (max-width: 600px) {

    .flex-item-right,
    .flex-item-left {
        flex: 100%;
    }
}




@media (min-width: 600px) {

    .header {
        display: block;
        height: 11vh;
    }


    .header a {
        float: none;
        display: block;
        text-align: left;
    }

    .header-right {
        float: none;
    }

    .header-title {

        margin-bottom: 3.5vh;
        margin-left: 6vh;
    }

    .foot {
        display: block;
        text-align: center;
        height: 4vh;
        padding-top: 1.5vh;
    }
}