styles.css

h1 {
    color: #4682b4;
}
pre {
    background: #f4f5f6;
    border-left: 0.3rem solid #4682b4;
    font-family: Menlo, Consolas, "Bitstream Vera Sans Mono", "DejaVu Sans Mono",
      Monaco, monospace;
  }
  
  a {
    color: #4682b4;
    text-decoration: none;
  }
  
  select:focus {
    border: 0.1rem solid #4682b4;
    outline: 0;
  }
  
  hr {
    border-top: 0.1rem solid #4682b4;
    border-width: 0.1rem;
    margin-bottom: 3.5rem;
    margin-top: 3rem;
  }
  
  input[type="submit"].button-clear {
    color: #4682b4;
    background-color: transparent;
    border-color: transparent;
  }
  .button.button-outline,
  button.button-outline,
  input[type="button"].button-outline,
  input[type="reset"].button-outline,
  input[type="submit"].button-outline {
    color: #4682b4;
    background-color: transparent;
  }
  .button,
  button,
  input[type="button"],
  input[type="reset"],
  input[type="submit"],
  input[type="submit"] {
    background-color: #4682b4;
    border: 0.1rem solid #4682b4;
    border-radius: 0.4rem;
    box-sizing: border-box;
    color: #ffffff;
    cursor: pointer;
    display: inline-block;
    font-size: 1.1rem;
    font-weight: 700;
    height: 3.8rem;
    letter-spacing: 0.1rem;
    line-height: 3.8rem;
    padding: 0 3rem;
    text-align: center;
    text-decoration: none;
    text-transform: uppercase;
    white-space: nowrap;
  }
  
  input[type="text"]:focus,
  input[type="url"]:focus,
  textarea:focus,
  select:focus {
    border: 0.1rem solid #4682b4;
    outline: 0;
  }