ul {
    list-style: none;
    margin: 0;
    padding: 0;
}
h1, h2, h3 {
    margin: 0;
    padding: 0;
}
p  {
    margin: 0;
}
* {
    box-sizing: border-box;
}

.hero-title {
    margin: 0 auto;
}

.portfolio-btn {
    border: none;
}