* {
  box-sizing: border-box;
}
body {
  font-family: "Segoe UI", Roboto, sans-serif;
  margin: 0;
  background: #000000;
  color: #000000;
}
header {
  background: linear-gradient(120deg, #04AA6D, #058457);
  color: #fff;
  padding: 60px 20px;
  text-align: center;
}
main {
  max-width: 960px;
  margin: 0 auto;
  padding: 40px 20px;
}
section {
  background: #fff;
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.08);
}
section h2 {
  margin-top: 0;
  color: #04AA6D;
}
footer {
  padding: 24px;
  text-align: center;
  background: #e8edf4;
  font-size: 0.9rem;
}
.verticalhorizontal {
    display: table-cell;
    height: 300px;
    text-align: center;
    width: 300px;
    vertical-align: middle;
}
.center {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 50%;
}