body {
  font-family: Arial, sans-serif;
  margin: 20px;
  background-color: #f8f8f8;
  color: #343f59;
}

.loader {
  width: 48px;
  height: 48px;
  border: 5px solid #fff;
  border-bottom-color: #343f59;
  border-radius: 50%;
  display: inline-block;
  box-sizing: border-box;
  animation: rotation 1s linear infinite;
}

@keyframes rotation {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

#loading {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.8);
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

hr {
  margin-top: 20px;
}

#content {
  line-height: 2;
  margin-top: 20px;
  background-color: #fff;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1 {
  color: #333;
}

p {
  margin-bottom: 10px;
}

#linkValue {
  color: #0066cc;
  text-decoration: none;
}

#linkValue:hover {
  text-decoration: underline;
}

button {
  padding: 8px 12px;
  background-color: #0066cc;
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

button:hover {
  background-color: #005bb5;
}

#contentText {
  margin-top: 10px;
  color: #333;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
  overflow-x: auto;
}

table,
th,
td {
  border: 1px solid #ddd;
}

th,
td {
  padding: 8px;
  text-align: left;
}

th {
  background-color: #f2f2f2;
}

.container {
  max-width: 1200px;
  margin: auto;
  margin-top: 50px;
  visibility: hidden;
}

.error-message {
  text-align: center;
  margin-top: 50vh;
  transform: translateY(-50%);
  font-size: 20px;
  color: #343f59;
}

@media only screen and (max-width: 600px) {
  body {
    margin: 10px;
  }
  .container {
    max-width: 100%;
  }
  #content {
    margin-top: 10px;
  }
  h1 {
    font-size: 20px;
  }
  p {
    font-size: 12px;
  }
  table,
  th,
  td {
    padding: 5px;
  }
  th,
  td {
    font-size: 12px;
  }
  button {
    padding: 6px 10px;
  }
}