html {
    margin: 0;
    padding: 0;
}
body {
    margin: 0;
    padding: 0;
    font-family: "ヒラギノ角ゴ Pro","游ゴシック Medium","游ゴシック体","Helvetica Neue",Arial,sans-serif;
    color: #333;
    box-sizing: border-box;
}
header {
    height: 5vh;
    border-bottom: 1px solid #666;
}
main {
    min-height: 85vh;
}
aside {
    text-align: right;
}
footer {
    height: 5vh;
    border-top: 1px solid #666;
    text-align: center;
}
a {
    color: #339;
    text-decoration: none;
}
ul {
    margin: 0;
    list-style-type: circle;
}
h1 {
    font-size: 28px;
}
h2 {
    font-size: 20px;
}
code pre {
    width: 98%;
    min-height: 100px;
    margin: 1%;
    padding: 10px;
    background-color: #efe;
    border: 1px solid #666;
    border-radius: 5px;
    line-height: 1.3;
}
log pre {
    width: 98%;
    min-height: 100px;
    margin: 1%;
    padding: 10px;
    border: 1px solid #666;
    border-radius: 5px;
    line-height: 1.3;
}
span.new {
    color: #933;
    font-weight: bold;
}
@media screen and (min-width: 800px) {
    div#logo {
        width: 800px;
        margin: 0 auto;
    }
    main {
        width: 800px;
        margin: 0 auto;
    }
    div#logo {
        width: 800px;
        margin: 0 auto;
    }
}