/* originals */

body, ul, li, p {
    padding: 0;
    margin: 0;
}

body {


    padding: 100px 0;
    background: #ccc;
    font-family: Arial;
    color: #333;
}

p {

    line-height: 1.5em;
    margin-bottom: 1em;
}

#tabs {

    width: 400px;
    margin: auto;
}

/* additionals */
#tabs > ul {

    list-style-type: none;
    display: flex;
    padding: 0;
    margin-bottom: 1em;
}

#tabs > ul > li {
    
    margin-right: 2px; /* Spaces in between */
}

#tabs > ul > li > a {

    display: block;
    height: 30px;
    line-height: 30px;
    background: #a2a2a2;
    color: #cecece;
    text-decoration: none;
    padding: 0 15px;
    border-top-left-radius: 3px;
    border-top-right-radius: 3px;
    transition: background 0.3s;
}

#tabs > ul > li > a:hover {
    
    background: #d0d0d0; /* colors */
}

#tabs > div {

    padding: 15px;
    background: #eaeaea;
    border: 1px solid #ccc;
    transition: opacity 200ms linear;
}

/* style for active tabs */
#tabs .active {

    background: #eaeaea;
    color: #333;
}

/* to view the content clases */

#tabs .hidden { display: none; }
#tabs .visible { display: block; }
#tabs .visuallyhidden { opacity: 0; }