body{
  background-color: #ffffd0;
}
.center {
  margin: auto;
  width: 50%;
  border: 3px solid green;
  padding: 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
menu {
  background: linear-gradient(to bottom, #c0c0c0 0%, #808080 100%);
  padding: 10px;
  text-align: center;
  border: 3px outset #ffffff;
  box-shadow: 3px 3px 0px #000000;
  margin-bottom: 20px;
  display:flex
}
.logo{
  padding: 8x 20px;
  margin: 5px;
  color: white;
  font-size: 30px;
  text-shadow: 2px 2px 4px #000000;
}
button{
  background: linear-gradient(to bottom, #dfdfdf, 0%, #bebebe 100%);
  border: 3px outset #fffff;
  padding: 8x 20px;
  margin: 5px;
  color: white;
  font-size: 30px;
  text-shadow: 2px 2px 4px #000000;
  box-shadow: 2px 2px 0px #000000;
}
footer {
  background: linear-gradient(to right, #000000, #333333, #000000);
  color: #00ff00;
  padding: 20px;
  border: 5px ridge #666666;
  margin-top: 30px;
  font-family: "Courier New", monospace;
  box-shadow: 5px 5px 0px rgba(0,0,0,0.5);
}
ul {
  background-color: #ffffcc;
  border: 3px dashed #ff6600;
  padding: 20px 20px 20px 40px;
  box-shadow: 4px 4px 0px #000000;
  display: flex;
  flex-direction: row;
  gap: 15px;
  list-style: none;
  max-width: 800px;
  justify-content: center;
}
form {
  background: linear-gradient(to bottom, #ccffff, #99ccff);
  border: 5px ridge #0000ff;
  padding: 20px;
  box-shadow: 5px 5px 0px #000000;
}
input[type="submit"] {
  background: linear-gradient(to bottom, #ff6600, #ff3300);
  border: 3px outset #ff9900;
  padding: 10px 30px;
  color: #ffffff;
  font-size: 16px;
  cursor: pointer;
  box-shadow: 3px 3px 0px #000000;
  text-shadow: 2px 2px 0px #000000;
  margin-top: 10px;
}
label {
  color: #000080;
  font-weight: bold;
  font-size: 16px;
}
textarea {
  background-color: #ffffff;
  border: 3px inset #808080;
  padding: 8px;
  font-size: 14px;
}
address {
  background-color: #ffff99;
  border: 3px double #ff00ff;
  padding: 15px;
  box-shadow: 4px 4px 0px #000000;
  margin: 20px 0;
}
img.center {
  display: block;
  margin: 20px auto;
}
table {
  display:flex;
  width: 30%;
  border-collapse: separate;
  border-spacing: 0;
  background-color: #ffffff;
  border: 5px ridge #ff00ff;
  box-shadow: 5px 5px 0px #000000;
  margin: 20px 0;
}