body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f5f5f5;
}

header {
    background: linear-gradient(#333, #67593e,#333);
    color: #fff;
    padding: 20px;
    text-align: center;
}

main {
    padding: 20px;
}

section {
    margin-bottom: 20px;
}

button {
    background-color: #007BFF;
    color: #fff;
    border: none;
    padding: 10px 20px;
    cursor: pointer;
}

button:hover {
    background-color: #0056b3;
}

footer {
    background: linear-gradient(#333, #4e4637,#333);
    color: #fff;
    text-align: center;
    padding: 10px;
    position: fixed;
    width: 100%;
    bottom: 0;
}

.center {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 90%;
}

.parent {
  text-align: center;
}

img {
 padding: 3px;
 background: #333;
}