mark
{
    background-color: #acf2bd;
}

span
{
    display: inline-block;
}

ul
{
    list-style: none;
}

.author:first-letter
{
    color: red;
}

.advantage
{
    color: #2cbe4e;
}

.disadvantage
{
    color: #d36363;
}

.left
{
    text-align: left;
}

.right
{
    text-align: right;
}

.reveal .heading
{
    margin-top: -15px;
    margin-bottom: 30px;
}

.reveal .subheading
{
    margin-top: -30px;
}

.white .reveal .slides .blue,
.white .reveal .slides .blue *
{
    color: blue;
}