 {
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "segoe ui", roboto, oxygen, ubuntu, cantarell, "fira sans", "droid sans", "helvetica neue", Arial, sans-serif;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
body {
    background-color: #FFFFFF;
    margin: 0;
}
.navtop {
    background-color: #3b4656;
    height: 60px;
    width: 100%;
    border: 0;
}
.navtop div {
    display: flex;
    margin: 0 auto;
    width: 800px;
    height: 100%;
}
.navtop div h1, .navtop div a {
    display: inline-flex;
    align-items: center;
}
.navtop div h1 {
    flex: 1;
    font-size: 24px;
    padding: 0;
    margin: 0;
    color: #ebedee;
    font-weight: normal;
}
.navtop div a {
    padding: 0 20px;
    text-decoration: none;
    color: #c4c8cc;
    font-weight: bold;
}
.navtop div a i {
    padding: 2px 8px 0 0;
}
.navtop div a:hover {
    color: #ebedee;
}
.content {
    width: 800px;
    margin: 0 auto;
}
.content h2 {
    margin: 0;
    padding: 25px 0;
    font-size: 22px;
    border-bottom: 1px solid #ebebeb;
    color: #666666;
}