body {
    background-color: lightgray;
}
  
h1 {
    color: white;
    text-align: center;
}
  
p {
    font-family: verdana;
    font-size: 20px;
}
.header {
    padding: 10px;
    text-align: left;
    background: blue;
    color: white;
    font-size: 20px;
  }
.content {
    max-width: 500px;
    max-height: 100%;
    margin: auto;
    background-color:lightblue;
}

.button {
    background-color: #008CBA; /* Green */
    border: none;
    color: white;
    padding: 16px 32px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 4px 2px;
    transition-duration: 0.4s;
    cursor: pointer;
}
.button:hover {
    background-color: #4CAF50; /* Green */
    color: white;
}