nav a {
    transition: 0.3s;
}
nav a:hover {
    color: #7da6e2 !important;
    text-decoration: underline !important;
}
nav a.active {
    border-bottom: 3px solid rgb(0, 255, 110);
    padding-bottom: 5px;
}
body {
    background-color: rgb(106, 141, 172);
    font-family: Arial, Helvetica, sans-serif;
}
main section {
    background-color: white;
    border-radius: 12px;
    margin-top: 40px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}
main p {
    max-width: 550px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}
html, body {
    min-height: 100%;
}
body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}
main {
    flex: 1;
}