body {
    margin: 0;
}
h1 {
    margin: 0;
}
h2 {
        margin: 0;
    }
h3 {
    margin: 0;
}
h4 {
    margin: 0;
}
h5 {
    margin: 0;
}
p {
    margin: 0;
}
li {
    margin: 0;
}
a {
    text-decoration: none;
}
ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
}
button {
    background-color: transparent;
    border: none;
}