#code_block {
    background: #2d2d2d;
    color: rgb(201,209,217);
    font-family: Consolas;
    text-align: left;
    padding: 1em;
    padding-left: 0.8em;
    margin: 1em;
    border-radius: 5px;
    counter-reset: line;
    white-space: normal;
    word-spacing: normal;
    word-break: normal;
    word-wrap: normal;
    line-height: 1.5;
    width: calc(100% - 63px);
    overflow-x: auto;
}

#code_block code {
    font-family: Consolas;
}

#code_block .key_word,
#code_block .operator,
#code_block .united {
    color: rgb(255,123,114);
}
#code_block .value,
#code_block .default_function_name,
#code_block .attribute {
    color: rgb(121,192,255);
}
#code_block .note {
    color: rgb(139,148,158);
}
#code_block .created_function_name {
    color: rgb(210,168,255);
}
#code_block .class_name {
    color: rgb(247,162,87);
}
#code_block .string {
    color: rgb(165,214,255);
}
#code_block .tag {
    color: #7EE787;
}
#code_block .href_link {
    color: rgb(165,214,255);
    border-bottom: 2px solid rgb(165,214,255);
}

#code_block span {
    display: block;
    line-height: 1.5rem;
    white-space: pre;
}

#code_block span:before {
    counter-increment: line;
    content: counter(line);
    display: inline-block;
    width: 3em;
    text-align: right;
    border-right: 2px solid #999;
    padding-right: .8em;
    margin-right: 1em;
    color: #999;
}