@charset "UTF-8";

*, *::before, *::after {
    box-sizing: border-box;
}

body {
    background-color: #111;
    color: #ccc;
    margin-left: auto;
    margin-right: auto;
    width: 1200px;
}

a:link, a:visited, a:hover, a:active {
    color: #ccc;
    text-decoration: none;
}
a:hover {
    background-color: #333;
}

ul {
    list-style-type: none;
}

.lambda-item::before {
    content: 'λ.';
    margin-left: -1.0rem;
}

.item .category {
    letter-spacing: 1px;
    font-size: 1.5rem;
}

.item .category::before {
    content: '';
    display: inline-block;
    width: 1.5rem;
    height: 1.5rem;
    margin-left: 1.0rem;
    margin-right: 0.5rem;
    border:  3px solid;
    border-radius: 50%;
    vertical-align: middle;
}

.item {
    display: block;
    border: 1px solid;
    transition: all 0.3s ease;
}

.item:hover {
    background-color: #222;
}

.large {
    width: 1200px;
}
.normal {
    width: 600px;
}
.small {
    width: 300px;
}