style.css

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Times New Roman';
}

body {
    height: 100%;
    width: 100%;
    background-color: rgba(130, 130, 130, 0.500);
}

nav {
    height: auto;
    width: auto;
    text-decoration: underline;
    padding: 1rem;
    font-size: 1.5rem;
}

nav h1 {
    height: fit-content;
    width: fit-content;
    margin: auto;
    cursor: pointer;
}

.main-box {
    height: auto;
    width: 100%;
    padding: 0.5rem;
    display: flex;
    align-items: start;
    justify-content: start;
    flex-wrap: wrap;
}

.box {
    border: 1px solid gray;
    height: 25rem;
    width: 25%;
    padding: 0.5rem;
    overflow: auto;
}

.box h3 {
    font-size: 1.5rem;
    text-align: center;
}

.box h4, p {
    margin: 0.3rem;
}

.box p:hover {
    background-color: rgb(170, 170, 170);
}

footer {
    height: auto;
    width: 100%;
    padding: 1rem;
    text-align: center;
}