.padding-20 {
    padding: 20px;
    box-sizing: border-box;
}

.margin-20 {
    margin-top: 20px;
}

h1 {
    font-size: 28px;
    font-weight: 400;
}

h2 {
    margin-top: 55px;
    font-size: 22px;
    font-weight: 400;
}

.main p.def {
    margin-top: 15px;
    font-size: 14px;
    color: #5e6d82;
}

.main font.point {
    font-size: 14px;
    color: #7FBE41;
}

.code {
    margin-top: 15px;
    line-height: 1.8;
    font-family: Menlo, Monaco, Consolas, Courier, monospace;
    font-size: 12px;
    padding: 18px 24px;
    background-color: #fafafa;
    border: 1px solid #eaeefb;
    margin-bottom: 25px;
    border-radius: 4px;
    -webkit-font-smoothing: auto;
}