body {
    font-family: arial, sans-serif;
    color: #ccc;
    margin:0;
    padding: 0;
    background-color: #333;
}
* {
    outline: none;
}
footer a {
    font-size: 2em;
    margin: 40px 0;
    display: inline-block;
    color: #ccc;
    text-decoration: none;
    -webkit-transition: color 0.25s ease;
            transition: color 0.25s ease;
}
footer a:hover {
    color: #555;
}
h1 {
    font-size: 5em;
    padding: 0;
    margin: 40px 0 0 0;
    font-weight: 300;
}
h2 {
    font-size: 3em;
    padding: 0 0 20px 0;
    margin: 0 0 40px 0;
    font-weight: 300;
    color: #ccc;
    border-bottom: 1px solid #ccc;
}
.wrapper {
    width: 70%;
    max-width: 1300px;
    margin: 0 auto;
}
.demo {
    margin-bottom: 40px;
}
label {
    display: block;
}
.form-step {
    margin-bottom: 20px;
    display: none;
}
.form-step:first-child {
    margin-bottom: 20px;
    display: block;
}
.form-txt {
    display: block;
    border: 0;
    border-radius: 8px;
    padding: 10px;
    margin: 10px 0 20px 0;
    min-width: 300px;
    outline: none;
    border: 1px solid #fff;
}
.form-txt:focus {
    border: 1px solid #fff;
}

.btn {
    background: #ccc;
    color: #333;
    height: 30px;
    line-height: 30px;
    padding: 0 10px;
    border: 0;
    border-radius: 8px;
    cursor: pointer;
}

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

code {
    color: #000;
    text-shadow: 0 1px 0 #efefef;
    font-weight: 700;
    display: block;
    background-color: #ccc;
    padding: 7px 20px 20px 20px;
    border-radius: 20px;
}
.code-comment {
    color: #555;
    font-weight: bold;
}