style.css

html {
    background-color: #eee;
}

body {
    font-size: 18px;
    color: #444;
    font-family: Bahnschrift, DIN, "DIN Alternate", "Roboto Condensed", sans-serif;
    font-weight: 300;
    margin: 40px auto;
    max-width: 650px;
    line-height: 1.6;
    font-size: 18px;
    padding: 0 10px;
    justify-content: initial;
    min-height: 0;
}

a {
    display: inline-block;
    text-decoration: none;

    color: white;
    background-color: black;
    font-stretch: semi-condensed;
    text-shadow: none;

    border-style: solid;
    border-width: 1px;
    border-color: #212121;

    transition: all 0.5s;

    padding-left: 5px;
    padding-right: 5px;
    margin-bottom: 3px;
}
a:hover {
    color: black;
    background-color: white;
    transform: scale(1.03);

    box-shadow: 0px 3px 20px #000000;
}

.list {
    min-height: 40px;
    margin-top: 10px;
}

#marked {
    border-color: #a00;
    background-color: #a00;
}
#marked:hover {
    border-color: black;
}