body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
}

h3 {
  font-weight: 700;
  font-size: 1.25rem;
}

tr {
  background-color: #cbd5e0;
}

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

tr:hover {
  background-color: #cbd5e0;
}

td {
  padding: 0.75rem;
  margin: 0.25rem;
  border-color: #e2e8f0;
  border-style: solid;
  border-width: 1px;
  color: #000;
}

th {
  padding: 0.75rem;
  margin: 0.25rem;
  border-width: 0;
  background-color: #2d3748;
  color: #fff;
}

table {
  border-collapse: collapse;
  margin-left: auto;
  margin-right: auto;
}

.headright {
  border-top-right-radius: 0.5rem;
}

.headleft {
  border-top-left-radius: 0.5rem;
}

button , input[type=submit]{
  background-color: #2d3748;
  color: #fff;
  font-weight: 700;
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
  padding-left: 1rem;
  padding-right: 1rem;
  margin: 0.75rem;
  border-radius: 0.25rem;
  border-color: transparent;
}

button:hover {
  background-color: #b7791f;
}