html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
  position: relative;
  min-height: 100%;
}

body {
    font-family: 'Verdana', sans-serif;
    background-color: #f4f4f4;
    color: #333;
    text-align: center;
    margin: 0;
    padding: 0;
    background-image: url('aikido_kanji.png'), url('judo_kanji.png');
    background-position: left top, right bottom;
    background-repeat: no-repeat;
    background-size: 150px 150px, 150px 150px;
}

header {
    background-color: #333;
    color: white;
    padding: 30px;
}

h1 {
    font-size: 2.5em;
    margin: 0;
}

section {
    padding: 40px;
}

h2 {
    color: #444;
}

p {
    max-width: 800px;
    margin: 20px auto;
}

ul {
    list-style-type: none;
    padding: 0;
}

    ul li {
        margin: 10px 0;
    }

        ul li a {
            color: #007BFF;
            text-decoration: none;
        }

            ul li a:hover {
                text-decoration: underline;
            }

footer {
    background-color: #333;
    color: white;
    padding: 20px;
}