style.css

h1 {
  text-align: center;
  display: block;
}

#duplicate-button {
  text-decoration: none;
  text-transform: uppercase;
  color: #000;
  cursor: pointer;
  border: 3px solid;
  padding: 0.25em 0.5em;
  box-shadow: 1px 1px 0px 0px, 2px 2px 0px 0px, 3px 3px 0px 0px, 4px 4px 0px 0px, 5px 5px 0px 0px;
  position: relative;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
  margin: auto;
}

#duplicate-button:active {
  box-shadow: 0px 0px 0px 0px;
  top: 5px;
  left: 5px;
}

@media (min-width: 768px) {
  #duplicate-button {
    padding: 0.25em 0.75em;
  }
}

#component-0 {
  max-width: 730px;
  margin: auto;
  margin-top: 25px; 
  padding-top: 1.5rem;
  border: 1px solid rgba(0, 0, 0, 0.3);
  border-radius: 15px;
  padding: 20px;
}

@media (max-width: 450px) {
  #component-0 {
    border: none;
  }
}