body {
    color: #ffffff;
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-image: linear-gradient(45deg, #000000, #121212);
    background-size: 60px 60px;
    animation: shimmer 80s linear infinite;
}

@keyframes shimmer {
  0% {
    background-position: 0 100%;
  }
  100% {
    background-position: 100% 0;
  }
}

.container {
    margin: 50px auto;
    width: 80%;
    text-align: center;
}

h1 {
    font-size: 2em;
    margin-bottom: 20px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

table th, table td {
    border: 1px solid #333;
    padding: 10px;
}

table th {
    background-color: #333;
}

table tr:nth-child(even) {
    background-color: #444;
}

a {
    color: #1e90ff;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

form {
    margin-top: 20px;
}

label {
    display: block;
    margin: 10px 0 5px;
}

th:nth-child(2) {
  text-align: center;
}

td:nth-child(2) {
  text-align: left;
  padding-left: 20px;
  position: relative;
}

td:nth-child(2):before {
  content: "";
  display: inline-block;
  width: 20px;
  height: 1em;
  position: absolute;
  left: 0;
  top: 0;
}

input[type="text"], input[type="number"], input[type="submit"] {
    width: 100%;
    padding: 10px;
    margin-bottom: 20px;
    background-color: #333;
    color: #fff;
    border: none;
    border-radius: 5px;
}

input[type="submit"] {
    cursor: pointer;
    background-color: #1e90ff;
}

input[type="submit"]:hover {
    background-color: #1c7cd6;
}