* {
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Roboto';
    background-color:#fafafa;
    
    line-height: 22px;
}

.container {
    width: 960px;
    font-size: 14px;
    margin: 150px auto;
}

.container-fluid {
    width: 100%;
    box-sizing: border-box;
    padding: 0 40px;
}

h1 {
    font-size: 24px;
    margin: 50px 0 30px;
}

h1 span {
    opacity: 0.5;
    font-size: 70%;
}

.p {
    margin: 30px 0 10px;
}

.code {
    margin-bottom: 30px;
    opacity: 0.6;
}

button {
    padding: 5px 10px;
    cursor: pointer;
}

footer {
    margin: 50px 0;
    font-size: 11px;
    line-height: 18px;
    opacity: 0.7;
}

footer a,
.p a {
    color: #0e90dc
}

.code mark,
.p mark {
    background: inherit;
    font-weight: bold;
    color: #0e90dc
}

.p mark {
    font-weight: normal;
    font-style: italic;
}

pre {
    max-width: 100%;
    overflow-x: auto;
}

.demo-form input,
.demo-form textarea {
    border: 1px solid #ddd;
    padding: 15px;
    display: block;
    box-sizing: border-box;
    width: 100%;
    font-family: Arial;
    font-size: 12px;
    line-height: 18px;
    margin: 10px 0 15px;
}

.demo-form label {
    display: inline-block;
}

.demo-form .btn {
    background: #0e90dc;
    border: none;
    padding: 10px 20px;
    color: #fff;
    font-size: 16px;
    cursor: pointer;
}

.demo-form .btn:hover {
    opacity: 0.8;
}

#result {
    background: #f9f9f9;
    padding: 40px;
    margin: 50px 0;
}

.container > h4 {
    padding-bottom: 10px;
}