#wrapper{
    width: 780px;
    margin: auto;
}
/*
body {
    font-family: "Helvetica Neue", Helvetica, Tahoma, Arial, "Microsoft YaHei UI","Microsoft YaHei", STXihei, SimSun, sans-serif;
}
*/
.log-wrapper {
    float: right;
}
.log {
    max-height: 300px;
    overflow: auto;
}
.log .log__entry {
    margin: .1em 0;
    padding: .1em .2em;
    border: 1px solid black;
    white-space: nowrap;
}