* {
    font-family: Optima, sans-serif;
    color: #333;
    box-sizing: border-box;
}

body {
    margin: 0;
    background-color: #eeeeee;
}

header {
    background-color: darkslategray;
    text-align: center;
    border-bottom: 1px solid
}

nav {
    padding: 2rem;
}

nav > * {
    font-size: 110%;
    color: white;
}

nav > *:not(:first-child)::before {
    content: '•';
    margin: 0 1rem;
}

nav > span {
    font-weight: bold;
}

nav > a {
    text-decoration: none;
}

main {
    max-width: 1300px;
    margin: 0 auto;
    padding: 3rem 4rem;
    background-color: white;
}

#controls-container {
    margin: 1rem;
    line-height: 1.5rem;
}

input, label {
    cursor: pointer;
}

th {
    text-align: left;
    cursor: pointer;
}

td:nth-child(1) {
    width: 390px;
}

td:nth-child(2) {
    width: 360px;
}

td:nth-child(3) {
    width: 266px;
}

td:nth-child(4) {
    width: 150px;
}

#count-label {
    color: white;
}