.myButton {
    box-shadow: inset 0px 1px 0px 0px #ffffff;
    background-color: #ffd480;
    border-radius: 4px;
    border: 1px solid #000000;
    display: inline-block;
    cursor: pointer;
    color: #000000;
    font-family: Arial;
    font-size: 15px;
    font-weight: bold;
    padding: 15px 60px;
    text-decoration: none;
    text-shadow: 0px 1px 0px #ffffff;
    margin-top: 2.5%;
    margin-bottom: 2.5%;
}

.myButton:hover {
    background-color: #ffcc66;
}

.myButton:active {
    position: relative;
    top: 1px;
}

nav {
    text-align: center;
}

nav ul {
    display: inline-block;
    list-style: none;
}

* html nav ul {
    display: inline;
}

* + html nav ul {
    display: inline;
}

nav li {
    display: inline;
}

nav a {
    float: left;
    text-decoration: none;
    padding: 0 30px;
    color: black;
    font-family: Arial;
    font-size: 36px;
    font-weight: bold;
    transition: 0.3s;
}

nav a:hover {
    float: left;
    text-decoration: none;
    padding: 0 30px;
    color: black;
    font-family: Arial;
    font-size: 40px;
    font-weight: bold;
}