:root{
    --color: #000;
    --bg: #fff;
}
:root .Dark{
    --color: #e5e5e6;
    --bg: #535353;
}
:root .Paper{
    --color: #181818;
    --bg: #f8f8f8;
}

body{
    margin: 0 .4cm;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--color);
    background-color: var(--bg);
}

.container{
    max-width: 14cm;
    margin: auto;
    text-align: justify;
}

h1{
    font-size: 1.3em;
    font-weight: 600;
    text-align: center;
}

h2{
    width: 100%;
    background-color: var(--bg);
    display: flex;
    justify-content: space-between;
    font-size: 1em;
    font-weight: 600;
    position: sticky;
    top: 0;
    padding: 12px 0px;
}

p{
    line-height: 1.4em;
}

.center{
    text-align: center;
}
.right{
    text-align: right;
}
.marks{
    margin-bottom: -18px;
}
.underline{
    text-decoration: underline;
    text-underline-offset: 3px;
}

a, a:hover, a:active, a:visited {
    color: var(--color);
    text-decoration: none;
}

table{
    width: 100%;
}

button{
    color: var(--color);
    background-color: var(--bg);
    border: 1px solid var(--color);
    border-radius: 5px;
}