html, body {
    margin: 0;
    padding: 0;
    height: 100%;
}
body {
    line-height: 1.5;
    font-size: 14px;
    font-weight: 400;
    color: #6c757d;
}
hr {
    margin-top: 1rem;
    margin-bottom: 1rem;
    border: 0;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    box-sizing: content-box;
    height: 0;
    overflow: visible;
}
.btn {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 30px;
    background: #3671b9;
    color: #fff !important;
    margin-bottom: 16px;
    font-size: 12px;
    letter-spacing: 0.5px;
}
.p {
    margin-top: 0;
    margin-bottom: 1rem;
}
a {
    color: #3671b9;
    text-decoration: none;
}
.steps {
    margin: 20px;
    padding: 0px;
}
.item {
    list-style: none;
}
.step-no {
    font-size: 30px;
    font-weight: 700;
    color: #3671b9;
    display: inline-block;
    margin-bottom: 0.5rem;
}
.right-pic {
    display: block;
}
.tutorial-pic img {
    border: 1px solid #f0f0f0;
    border-radius: 5px;
    width: 100%;
    max-width: 100%;
}