body {
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    margin: 5pt;
    padding: 0;
}

.light-background {
    background-color: rgb(135, 69, 69);
}

.white-background {
    background-color: white;
    transition: 1s ease;
}

a, a:visited {
    border: 2pt solid black;
    border-radius: 4pt;
    color: black;
    background-color: rgba(255, 255, 255, 0.9);
    padding: 8pt 24pt;
    line-height: 50pt;
    font-weight: bold;
}

a:hover {
    background-color: rgb(57, 108, 201);
    border-color: white;
}

.maturity {
    color: rgb(74, 179, 202);
}

.grid-container {
    display: inline-grid;
    grid-auto-rows: 400px;
    grid-template-columns: 32.5vw 32.5vw 32.5vw;
    grid-gap: 0.5vw;
}

.grid-item {
    display: flex;
    justify-content: center;
    align-items: center;
    background-size: 100%;
    background-color: black;
    border: 3pt solid black;
    border-radius: 10pt;
    font-size: 30px;
}