style.css

body {
	padding: 2rem;
	font-family: -apple-system, BlinkMacSystemFont, "Arial", sans-serif;
	text-align: center;
}

h1 {
	font-size: 24px;
	margin-top: 0;
	text-align: center;
}

h2 {
	font-size: 16px;
	margin-top: 0;
}

p {
	color: rgb(107, 114, 128);
	font-size: 15px;
	margin-bottom: 10px;
	margin-top: 5px;
}

img{
	display: block;
	border-radius: 8px;
	margin-left: auto;
	margin-right: auto;
	margin-bottom: 10px;
}

.card {
	max-width: 620px;
	margin: 0 auto;
	padding: 16px;
	border: 1px solid lightgray;
	border-radius: 16px;
	text-align: left;
}

.card p:last-child {
	margin-bottom: 0;
}

.button-4 {
  appearance: none;
  background-color: #FAFBFC;
  border: 1px solid rgba(27, 31, 35, 0.15);
  border-radius: 6px;
  box-shadow: rgba(27, 31, 35, 0.04) 0 1px 0, rgba(255, 255, 255, 0.25) 0 1px 0 inset;
  box-sizing: border-box;
  color: #24292E;
  cursor: pointer;
  display: inline-block;
  font-family: -apple-system, system-ui, "Segoe UI", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  font-size: 14px;
  font-weight: 500;
  line-height: 20px;
  list-style: none;
  padding: 6px 16px;
  position: relative;
  transition: background-color 0.2s cubic-bezier(0.3, 0, 0.5, 1);
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
  vertical-align: middle;
  white-space: nowrap;
  word-wrap: break-word;
}

.button-4:hover {
  background-color: #F3F4F6;
  text-decoration: none;
  transition-duration: 0.1s;
}

.button-4:disabled {
  background-color: #FAFBFC;
  border-color: rgba(27, 31, 35, 0.15);
  color: #959DA5;
  cursor: default;
}

.button-4:active {
  background-color: #EDEFF2;
  box-shadow: rgba(225, 228, 232, 0.2) 0 1px 0 inset;
  transition: none 0s;
}

.button-4:focus {
  outline: 1px transparent;
}

.button-4:before {
  display: none;
}

.button-4:-webkit-details-marker {
  display: none;
}