ping.css

body {
  font-family: "Lucida Console", Monaco, monospace;
  margin: 20px;
}

h1 {
  text-align: center;
}

label {
  font-weight: bold;
}

input[type="text"] {
  padding: 5px;
  width: 300px;
}

button {
  padding: 5px 10px;
  background-color: #4CAF50;
  color: white;
  border: none;
  cursor: pointer;
}

button:hover {
  background-color: #45a049;
}

#result {
  margin-top: 20px;
  font-weight: bold;
}

table {
  width: 50%;
  border-collapse: collapse;
  border: 1px solid #ddd;
  table-layout: fixed;
}

th, td {
  padding: 4px;
  text-align: left;
  border-bottom: 1px solid #ddd;
  font-size: 14px;
  white-space: nowrap;
}

th:first-child, td:first-child {
  padding-left: 0;
}

th:last-child, td:last-child {
  padding-right: 0;
}