index.css

body{
  margin: 0;
  padding: 10px;
  font-family: Arial, Helvetica, sans-serif;
  min-width: 400px;
  text-align: center;
}

#input-el {
  width: 100%;
  box-sizing: border-box;
  padding: 10px;
  border: 1px solid #5f9341;
}

button {
  margin-top: 5px;
  color: white;
  background-color: rgb(56, 139, 56);
  padding: 12px 25px;
  border: 1px solid #5f9341;
  font-weight: bold;
  font-size: 1.1rem;
  border-radius: 3px;
}

#delete-btn {
  margin-top: 5px;
  color: #5f9341;
  background-color: white;
  border: 1px solid #5f9341;
  padding: 12px 25px;
  font-weight: bold;
  font-size: 1.1rem;
  border-radius: 3px;
}

#delete-btn:hover {
  background-color: #5f9341;
  font-weight: bold;
  font-size: 1.1rem;
  color: white;
}

ul{
  margin-top: 20px;
  list-style: none;
  padding-left: 0;
}

li{
  margin-top: 5px;
}

li a {
  color: #5f9341;
}


/* BOX EXAMPLE */

/* html, body {
  margin: 0;
  padding: 0;
  font-family: Arial, Helvetica, sans-serif;
}

#box {
  cursor: pointer;
  background-color: lightseagreen;
  padding: 40px;
  width: 200px;
  text-align: center;
  margin: 20px auto;
  color: white;
  font-weight: bold;
} */