* {
  box-sizing: border-box;
  font-size: 130%;
}
h1 {
  text-align: center;
  margin-top: 0px;
}
body {
  font-family: sans-serif;
  padding: 1.5rem;
  background: hsl(210, 60%, 95%); /* light sky blue background */
  max-width: 800px;
  min-width: 310px;
  margin: 0 auto;
}
div {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
textarea {
  width: 100%;
  min-height: 150px;
  padding: 1rem;
  margin-bottom: 1rem;
  font-size: 1rem;
  border: 2px solid hsl(210, 70%, 60%); /* soft blue border */
  border-radius: 8px;
  resize: vertical;
  background: #f9fcff;
  color: #1a2b3c;
}
textarea:focus {
  border: 4px solid hsl(210, 70%, 50%);
  background-color: #ffffff;
  outline: none;
}
button {
  flex: 1 1 auto;
  font-size: 16px;
  min-width: 100px;
  max-width: 150px;
  margin: 0.25rem;
  padding: 0.6rem 1rem;
  outline: 4px solid hwb(211 8% 69%);
  border: none;
  background: hsl(210, 60%, 35%); /* deep blue */
  color: white;
  cursor: pointer;
}
button:hover {
  background: hsl(210, 60%, 25%);
}
p {
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  padding: 0rem;
  color: #123;
}
h3 {
  text-align: center;
}
h4 {
  margin-top: 3rem;
  margin-bottom: 0rem;
}
h2{
  text-align: center;
}
a{
  display: inline-block;
  background-color: #0077cc;
  min-width:100%;
  color: white;
  padding: 0.6em 1.2em;
  border-radius: 8px;
  text-align: center;
  text-decoration: none;
  font-weight: 600;
  margin: 1rem 0;
  transition: background-color 0.2s ease, transform 0.1s ease;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

a:hover {
  background-color: #005fa3;
  transform: translateY(-1px);
}