style.css

body {
 font-family: Georgia, Arial, sans-serif;
 padding: 20px;
}

.flex {
 display: flex;
 align-items: center;
 justify-content: center;
 padding: 50px;
 height: 100vh;
}

.button {
 background-color: #0082c9;
 border: none;
 color: white;
 padding: 15px 32px;
 text-align: center;
 font-size: 16px;
 margin: 4px 2px;
 cursor: pointer;
}

.button--green {
 background-color: #00e1d9;
}

.button--blue {
 background-color: #0082c9;
}