html, body {
    width: 100%;
    height: 100%;
    padding: 0;
    margin: 0;
    overflow: hidden;
    user-select: none;
    -webkit-user-select: none;
    /*-webkit-tap-highlight-color: transparent;*/
    font-family: sans-serif;
    background-color: #fff;
    font-size: 16px;
}

* {
    box-sizing: border-box;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

input, textarea {
    user-select: text;
    -webkit-user-select: text;
    font-family: sans-serif;
}

select {
    font-family: sans-serif;
}

h1, h2, h3, h4, h5, h6 {
    font-family: sans-serif;
    font-weight: bold;
    margin-top: 1.5em;
    margin-bottom: 1em;
}

h1 { font-size: 40px; }
h2 { font-size: 36px; }
h3 { font-size: 32px; }
h4 { font-size: 28px; }
h5 { font-size: 24px; }
h6 { font-size: 20px; }

p {
    margin-top: 1em;
    margin-bottom: 1em;
    font-size: serif;
}

table, td {
    border-collapse: collapse;
    border: solid 1px #888888;
}

ul, ol {
    list-style-position: outside;
    margin-left: 2em;
    padding-left: 0;
}

a {
    color: inherit;
    text-decoration: none;
    cursor: pointer;
}

input, select, button {
    outline: none;
}