3D button implemented in pure css3_html/css_WEB-ITnose

 <h1>        <span class="font-effect-shadow-multiple" style="font-size: 50px; font-family: Luckiest Guy;">            CSS</span> <span class="font-effect-3d" style="font-size: 50px; font-family: Sonsie One;">                3D</span> <span class="font-effect-shadow-multiple" style="font-size: 50px; font-family: Luckiest Guy;">                    Buttons</span>    </h1>    <p>        <a href="#" class="s3-btn s3-btn1">s3-btn1</a>    </p>    <p>        <a href="#" class="s3-btn s3-btn2">s3-btn2</a>    </p>    <p>        <a href="#" class="s3-btn s3-btn3">s3-btn3</a>    </p>    <p>        <a href="#" class="s3-btn s3-btn4">s3-btn4</a>    </p>    <p>        <a href="#" class="s3-btn s3-btn5">s3-btn5</a>    </p>

        body        {            font-family: 'Open Sans' , sans-serif;            background-image: url(blurred-background-images-photos-0322125813.jpg);            background-repeat: no-repeat;            background-position: center center;            background-size: cover;            background-attachment: fixed;        }        h1        {            text-align: center;        }        p        {            margin: 1em;            padding: 1em;            text-align: center;        }        .s3-btn1, .s3-btn2, .s3-btn3, .s3-btn4, .s3-btn5, a.s3-btn1, a.s3-btn2, a.s3-btn3, a.s3-btn4, a.s3-btn5        {            outline: none;            text-decoration: none !important;            margin: 0 auto;            padding: 1em 3em;            border-radius: 5px;            -webkit-transition: all 100ms linear;            transition: all 100ms linear;            touch-callout: none;            -webkit-user-select: none;            -moz-user-select: none;            -ms-user-select: none;            user-select: none;            cursor: pointer;            position: relative;            text-align: center;        }        .s3-btn1        {            color: #ffffff;            background: -webkit-linear-gradient(top, #c03718 0%, #e44a27 100%);            background: linear-gradient(to bottom, #c03718 0%, #e44a27 100%);            border: 1px solid #a93115;            box-shadow: 0px 4px 0px 0px #a93115, 0px 5px 12px 0px rgba(0, 0, 0, 0.6), inset 0px 0px 10px -5px #000000;        }        .s3-btn1:hover        {            background: -webkit-linear-gradient(top, #c03718 0%, #d73e1b 100%);            background: linear-gradient(to bottom, #c03718 0%, #d73e1b 100%);        }        .s3-btn1:hover:active        {            border: none !important;            top: 4px;            box-shadow: 0px 2px 0px 0px #a93115, 0px 5px 12px 0px rgba(0, 0, 0, 0.6), inset 0px 0px 10px -5px #000000;        }        .s3-btn2        {            color: #ffffff;            background: -webkit-linear-gradient(top, #6fbdbf 0%, #92cdcf 100%);            background: linear-gradient(to bottom, #6fbdbf 0%, #92cdcf 100%);            border: 1px solid #5db5b8;            box-shadow: 0px 4px 0px 0px #5db5b8, 0px 5px 12px 0px rgba(0, 0, 0, 0.6), inset 0px 0px 10px -5px #000000;        }        .s3-btn2:hover        {            background: -webkit-linear-gradient(top, #6fbdbf 0%, #80c5c7 100%);            background: linear-gradient(to bottom, #6fbdbf 0%, #80c5c7 100%);        }        .s3-btn2:hover:active        {            border: none !important;            top: 4px;            box-shadow: 0px 2px 0px 0px #5db5b8, 0px 5px 12px 0px rgba(0, 0, 0, 0.6), inset 0px 0px 10px -5px #000000;        }        .s3-btn3        {            color: #ffffff;            background: -webkit-linear-gradient(top, #a8e427 0%, #baea54 100%);            background: linear-gradient(to bottom, #a8e427 0%, #baea54 100%);            border: 1px solid #9bd71a;            box-shadow: 0px 4px 0px 0px #9bd71a, 0px 5px 12px 0px rgba(0, 0, 0, 0.6), inset 0px 0px 10px -5px #000000;        }        .s3-btn3:hover        {            background: -webkit-linear-gradient(top, #a8e427 0%, #b1e73d 100%);            background: linear-gradient(to bottom, #a8e427 0%, #b1e73d 100%);        }        .s3-btn3:hover:active        {            border: none !important;            top: 4px;            box-shadow: 0px 2px 0px 0px #9bd71a, 0px 5px 12px 0px rgba(0, 0, 0, 0.6), inset 0px 0px 10px -5px #000000;        }        .s3-btn4        {            color: #ffffff;            background: -webkit-linear-gradient(top, #70df9e 0%, #9ae8ba 100%);            background: linear-gradient(to bottom, #70df9e 0%, #9ae8ba 100%);            border: 1px solid #5cda8f;            box-shadow: 0px 4px 0px 0px #5cda8f, 0px 5px 12px 0px rgba(0, 0, 0, 0.6), inset 0px 0px 10px -5px #000000;        }        .s3-btn4:hover        {            background: -webkit-linear-gradient(top, #70df9e 0%, #85e3ac 100%);            background: linear-gradient(to bottom, #70df9e 0%, #85e3ac 100%);        }        .s3-btn4:hover:active        {            border: none !important;            top: 4px;            box-shadow: 0px 2px 0px 0px #5cda8f, 0px 5px 12px 0px rgba(0, 0, 0, 0.6), inset 0px 0px 10px -5px #000000;        }        .s3-btn5        {            color: #ffffff;            background: -webkit-linear-gradient(top, #161616 0%, #2f2f2f 100%);            background: linear-gradient(to bottom, #161616 0%, #2f2f2f 100%);            border: 1px solid #090909;            box-shadow: 0px 4px 0px 0px #090909, 0px 5px 12px 0px rgba(0, 0, 0, 0.6), inset 0px 0px 10px -5px #000000;        }        .s3-btn5:hover        {            background: -webkit-linear-gradient(top, #161616 0%, #222222 100%);            background: linear-gradient(to bottom, #161616 0%, #222222 100%);        }        .s3-btn5:hover:active        {            border: none !important;            top: 4px;            box-shadow: 0px 2px 0px 0px #090909, 0px 5px 12px 0px rgba(0, 0, 0, 0.6), inset 0px 0px 10px -5px #000000;        }