:root {
    --blue: #2088b7;
    --lightBlue: #87cefa;
}

body {
    margin: 0 auto;
    max-width: 50em;
    font-family: "Helvetica", "Arial", sans-serif;
    background-image: url("img/water.jpg");
    /* background-color: var(--lightBlue); */
}

main {
}

header {
    margin-top: 10px;
    text-align: center;
    padding: 10px;
    background-color: var(--lightBlue);
    border-style: solid;
    border-color: var(--blue);
    border-radius: 40px;
}

footer {
    text-align: center;
    padding: 10px;
    background-color: silver;
    background-color: var(--lightBlue);
    border-style: solid;
    border-color: var(--blue);
    border-radius: 40px;
}

.container {
    display: flex;
    gap: 10px;
    margin-top: 10px;
    margin-bottom: 10px;
}

.container-thick {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 10px;
    margin-bottom: 10px;
}

.columnL {
    flex: 2;
    background-color: var(--lightBlue);
    padding: 20px;
    border-style: solid;
    border-color: var(--blue);
    border-radius: 40px;
}

.columnR {
    flex: 1;
    background-color: var(--lightBlue);
    padding: 20px;
    border-style: solid;
    border-color: var(--blue);
    border-radius: 40px;
}

.column {
    flex: 1;
    background-color: var(--lightBlue);
    padding: 20px;
    border-style: solid;
    border-color: var(--blue);
    border-radius: 40px;
}