* {
    font-family: Arial, Helvetica, sans-serif;
}

body {
    background-color: #ffff99;
}

h1 {
    color: red;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    text-align: center;
}

.green {
    color: green;
}

.blue {
    color: blue;
}

.yellow {
    color: yellow;
}

.half-line {
    width: 50%;
    transform: translate(-50%);
}

.thick-line {
    height: 1px;
    width: 70%;
}

.margin-top-line {
    margin-top: 2em;
}

img {
    display: block;
    margin: 0 auto;
    width: 300px;
    border: solid 2px black;
}

.caption {
    text-align: center;
}

ol {
    list-style-type: lower-latin;
}

#footer-text {
    text-align: center;
}

.name {
    margin: 0 2em;
}

code {
    font-family: 'Courier New', Courier, monospace;
}

.spec {
    background-color: red;
    font-size: 16px;
    font-weight: bold;
}

.bg_green {
    background-color: lime;
}

a {
    color:#666666;
    font-size:16px;
    text-decoration:none;
}

a:hover {
    text-decoration:underline overline;
}

.tag {
    font-size: 24px;
}