@media only screen and (max-width: 600px) {
    body {
        color: darkred;
    }

    .row, .cell, .cell-narrow, .cell-wide, .cell-widest {
        display: none !important;
    }
}

body {
  #background-image: url('/images/eule5.jpg');
  #background-repeat: no-repeat;
  #background-attachment: fixed;
  #background-size: contain;
  background-color: #eeedea;
  #background-position: center;
}

div {
    background-color: #ffffff;
    #border-image: linear-gradient(to right, green, lightgreen);
    #border-image-slice: 1;
}

.everything {
    background-color: #eeedea;
    max-width: 1200px;
    min-width: 420px;
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    justify-content: space-around;
    margin: auto;
}

.row {
    background-color: #eeedea;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-around;
    margin-left: 20px;
    margin-right: 20px;
    border-bottom: solid 20px #eeedea;
}

.header {
    margin-left: 20px;
    margin-right: 20px;
    border-bottom: solid 20px #eeedea;
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: space-around;
}

.footer {
    margin-left: 20px;
    margin-right: 20px;
    text-align: center;
    border-radius: 10px;
}

.cell {
    vertical-align: top;
    margin: 10px;
    width: 400px;
    height: 400px;
    justify-content: center;
    padding-left: 20px;
    padding-right: 20px;
    border-radius: 10px;
}

.cell-half {
    vertical-align: top;
    margin: 10px;
    width: 400px;
    height: 200px;
    justify-content: center;
    padding-left: 20px;
    padding-right: 20px;
    border-radius: 10px;
}

.cell-narrow {
    vertical-align: top;
    margin: 10px;
    width: 266px;
    justify-content: center;
    padding-bottom: 10px;
    padding-left: 20px;
    padding-right: 20px;
    border-radius: 10px;
}

.cell-wide {
    vertical-align: top;
    margin: 10px;
    width: 533px;
    justify-content: center;
    padding-bottom: 10px;
    padding-left: 20px;
    padding-right: 20px;
    border-radius: 10px;
}

.cell-widest {
    vertical-align: top;
    margin: 10px;
    max-width: 1200px;
    justify-content: center;
    padding-bottom: 10px;
    padding-left: 20px;
    padding-right: 20px;
    border-radius: 10px;
}

a:visited {
    color: blue;
    text-decoration: none;
}

a:link {
    color: blue;
    text-decoration: none;
}

a:hover {
    color: red;
    text-decoration: underline overline;
}