body {
    padding: 0;
    margin: 0;
}

.nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: #3c3c3c;
}

.nav li {
    float: left;
}

.nav li a {
    font-size: large;
    font-family:Arial, Helvetica, sans-serif;
    color: white;
    display: block;
    text-align: center;
    text-decoration: none;
    padding: 12px 16px;
    background-color: #3c3c3c;
    cursor: pointer;
}

.nav li a:hover {
    background-color: #111;
}

.float-right {
    float: right;
}

.grid li {
    display: block;
    padding: 10px 0px;
}

.grid ul {
    list-style-type: none;
    margin: 0px;
    padding: 12px;
}

.grid li a {
    padding: 12px 16px;
    text-align: center;
    font-size: large;
    font-family:Arial, Helvetica, sans-serif;
    color: white;
    background-color: #3c3c3c;
    text-decoration: none;
}

.grid li a:hover {
    background-color: #111;
}

.button-list {
    list-style: none;
    padding: 0;
}
.button-list li {
    margin: 10px 0;
}
.button-list a {
    text-decoration: none;
}
.button-list button {
    padding: 10px 20px;
    background-color: #4CAF50; /* Green background */
    color: white;
    border: none;
    cursor: pointer;
    font-size: 16px;
}
.button-list button:hover {
    background-color: #45a049;
}