* {
    box-sizing: border-box;
}
body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #fff;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}
header {
    background-color: #53bb53;
    padding: 20px 0;
    color: #fff;
}
header h1 {
    font-size: 36px;
}

footer {
    background-color: #53bb53;
    color: #fff;
    padding: 20px;
    text-align: center;
    margin-top: 40px;
}

.footer-link {
    color: white; /* or whatever color your other footer text uses */
    text-decoration: none; /* removes the underline */
}

.footer-link:hover {
    text-decoration: underline; /* adds an underline when hovered for clarity */
}

button {
    background-color: #3f51b5;
    border: none;
    color: #fff;
    padding: 8px 16px;
    font-size: 16px;
    cursor: pointer;
    border-radius: 4px;
    margin-top: 20px;
}

#headerLink {
    text-decoration: none;
    color: #fff;
    cursor: pointer;
}

#headerLink:hover {
    text-decoration: none;
    color: #fff;
    opacity: 0.8;  /* Optional: this gives a subtle feedback on hover */
}

.modal {
    display: none;
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.6);
}

.modal-content {
    position: relative;
    background-color: #fefefe;
    margin: 15% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 50%;
    max-width: 500px;
    box-shadow: 0 4px 8px 0 rgba(0,0,0,0.2);
}

.close-btn {
    color: #aaaaaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close-btn:hover,
.close-btn:focus {
    color: #000;
    text-decoration: none;
    cursor: pointer;
}

.modal-ok {
    margin: 20px auto 10px;
    display: block;
}

.btn-link {
    display: inline-block;
    background-color: #3f51b5;
    border: none;
    color: #fff;
    padding: 8px 16px;
    font-size: 16px;
    cursor: pointer;
    border-radius: 4px;
    margin-top: 20px;
    text-decoration: none;
    text-align: center;
}

.btn-link:hover {
    background-color: #283593;
}

nav {
    display: flex;
    align-items: center; /* This will vertically center all children of the nav */
    justify-content: center;
    list-style-type: none;
    padding-left: 0;
    margin-bottom: 20px;
}
nav li {
    display: inline-block;
    margin-right: 16px;
}
nav li:last-child {
    margin-right: 0;
}
nav a {
    text-decoration: none;
    color: #fff;
    font-weight: 500;
}
nav a:hover {
    text-decoration: underline;
}

.nav-button {
    margin-right: 0px;
    padding: 8px 16px;
    border-radius: 4px;
    background-color: #3f51b5;
    color: #fff;
    transition: background-color 0.3s ease;
    vertical-align: middle;  /* Align the button with other nav links */
}

.nav-button:hover {
    background-color: #283593;
    text-decoration: none;
}