body {
    font-family: Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: #333;
    background-color: #f0f0f0;
    margin: 20;
    padding: 0;
}

header {
  background-color: lightgray;
  padding: 1em;
  text-align: center;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: bold;
    color: #444;
    letter-spacing: 2px;
}

h1 {
  color: red;
  font-size: 36px;
  font-weight: bold;
  text-align: center;
}

h2 {
  color: blue;
  font-size: 24px;
  font-weight: bold;
  text-align: center;
  font-weight: bold;
}

h3 {
  color: green;
  font-size: 24px;
  font-weight: bold;
  text-align: center;
}

h4 {
  color: orange;
  font-size: 18px;
  font-weight: bold;
  text-align: Left;
}

h5 {
  color: purple;
  font-size: 16px;
  font-weight: bold;
  text-align: left;
}

h6 {
  color: brown;
  font-size: 14px;
  font-weight: bold;
  text-align: right;
}

h7 {
  color: black;
  font-size: 12px;
  font-weight: bold;
  text-align: center;
}

h8 {
  color: gray;
  font-size: 10px;
  font-weight: bold;
  text-align: left;
}


p {
    margin: 20px 0;
    line-height: 1.5;
}

a {
    color: #337ab7;
    text-decoration: none;
    border-bottom: 2px solid #337ab7;
}

a:hover {
    color: #fff;
    background-color: #337ab7;
    border-bottom: 2px solid #fff;
}

img {
    max-width: 100%;
    height: auto;
}

button, input, select, textarea {
    font-family: Arial, sans-serif;
    font-size: 16px;
    padding: 10px;
    border-radius: 5px;
    border: 1px solid #ccc;
}

button:hover, input[type="submit"]:hover {
    background-color: #337ab7;
    color: #fff;
    cursor: pointer;
}