<link href='https://fonts.googleapis.com/css?family=Anton|Passion+One|PT+Sans+Caption' rel='stylesheet' type='text/css'>
<body>

        <!-- Error Page -->
            <div class="error">
                <div class="container-floud">
                    <div class="col-xs-12 ground-color text-center">
                        <div class="container-error-404">
                            <div class="clip"><div class="shadow"><span class="digit thirdDigit"></span></div></div>
                            <div class="clip"><div class="shadow"><span class="digit secondDigit"></span></div></div>
                            <div class="clip"><div class="shadow"><span class="digit firstDigit"></span></div></div>
                            <div class="msg">OH!<span class="triangle"></span></div>
                        </div>
                        <h2 class="h1">Sorry! Page not found</h2>
                    </div>
                </div>
            </div>
        <!-- Error Page -->
</body>
*
{
  font-family: 'PT Sans Caption', sans-serif, 'arial', 'Times New Roman';
}
/* Error Page */
    .error .clip .shadow
    {
        height: 180px;  /*Contrall*/
    }
    .error .clip:nth-of-type(2) .shadow
    {
        width: 130px;   /*Contrall play with javascript*/ 
    }
    .error .clip:nth-of-type(1) .shadow, .error .clip:nth-of-type(3) .shadow
    {
        width: 250px; /*Contrall*/
    }
    .error .digit
    {
        width: 150px;   /*Contrall*/
        height: 150px;  /*Contrall*/
        line-height: 150px; /*Contrall*/
        font-size: 120px;
        font-weight: bold;
    }
    .error h2   /*Contrall*/
    {
        font-size: 32px;
    }
    .error .msg /*Contrall*/
    {
        top: -190px;
        left: 30%;
        width: 80px;
        height: 80px;
        line-height: 80px;
        font-size: 32px;
    }
    .error span.triangle    /*Contrall*/
    {
        top: 70%;
        right: 0%;
        border-left: 20px solid #535353;
        border-top: 15px solid transparent;
        border-bottom: 15px solid transparent;
    }


    .error .container-error-404
    {
      margin-top: 10%;
        position: relative;
        height: 250px;
        padding-top: 40px;
    }
    .error .container-error-404 .clip
    {
        display: inline-block;
        transform: skew(-45deg);
    }
    .error .clip .shadow
    {
        
        overflow: hidden;
    }
    .error .clip:nth-of-type(2) .shadow
    {
        overflow: hidden;
        position: relative;
        box-shadow: inset 20px 0px 20px -15px rgba(150, 150, 150,0.8), 20px 0px 20px -15px rgba(150, 150, 150,0.8);
    }
    
    .error .clip:nth-of-type(3) .shadow:after, .error .clip:nth-of-type(1) .shadow:after
    {
        content: "";
        position: absolute;
        right: -8px;
        bottom: 0px;
        z-index: 9999;
        height: 100%;
        width: 10px;
        background: linear-gradient(90deg, transparent, rgba(173,173,173, 0.8), transparent);
        border-radius: 50%;
    }
    .error .clip:nth-of-type(3) .shadow:after
    {
        left: -8px;
    }
    .error .digit
    {
        position: relative;
        top: 8%;
        color: white;
        background: #07B3F9;
        border-radius: 50%;
        display: inline-block;
        transform: skew(45deg);
    }
    .error .clip:nth-of-type(2) .digit
    {
        left: -10%;
    }
    .error .clip:nth-of-type(1) .digit
    {
        right: -20%;
    }.error .clip:nth-of-type(3) .digit
    {
        left: -20%;
    }    
    .error h2
    {
        color: #A2A2A2;
        font-weight: bold;
        padding-bottom: 20px;
    }
    .error .msg
    {
        position: relative;
        z-index: 9999;
        display: block;
        background: #535353;
        color: #A2A2A2;
        border-radius: 50%;
        font-style: italic;
    }
    .error .triangle
    {
        position: absolute;
        z-index: 999;
        transform: rotate(45deg);
        content: "";
        width: 0; 
        height: 0; 
    }

/* Error Page */
@media(max-width: 767px)
{
    /* Error Page */
            .error .clip .shadow
            {
                height: 100px;  /*Contrall*/
            }
            .error .clip:nth-of-type(2) .shadow
            {
                width: 80px;   /*Contrall play with javascript*/ 
            }
            .error .clip:nth-of-type(1) .shadow, .error .clip:nth-of-type(3) .shadow
            {
                width: 100px; /*Contrall*/
            }
            .error .digit
            {
                width: 80px;   /*Contrall*/
                height: 80px;  /*Contrall*/
                line-height: 80px; /*Contrall*/
                font-size: 52px;
            }
            .error h2   /*Contrall*/
            {
                font-size: 24px;
            }
            .error .msg /*Contrall*/
            {
                top: -110px;
                left: 15%;
                width: 40px;
                height: 40px;
                line-height: 40px;
                font-size: 18px;
            }
            .error span.triangle    /*Contrall*/
            {
                top: 70%;
                right: -3%;
                border-left: 10px solid #535353;
                border-top: 8px solid transparent;
                border-bottom: 8px solid transparent;
            }
.error .container-error-404
  {
    height: 150px;
  }
        /* Error Page */
}

/*--------------------------------------------Framework --------------------------------*/

.overlay { position: relative; z-index: 20; } /*done*/
    .ground-color { background: white; }  /*done*/
    .item-bg-color { background: #EAEAEA } /*done*/
    
    /* Padding Section*/
        .padding-top { padding-top: 10px; } /*done*/
        .padding-bottom { padding-bottom: 10px; }   /*done*/
        .padding-vertical { padding-top: 10px; padding-bottom: 10px; }
        .padding-horizontal { padding-left: 10px; padding-right: 10px; }
        .padding-all { padding: 10px; }   /*done*/

        .no-padding-left { padding-left: 0px; }    /*done*/
        .no-padding-right { padding-right: 0px; }   /*done*/
        .no-vertical-padding { padding-top: 0px; padding-bottom: 0px; }
        .no-horizontal-padding { padding-left: 0px; padding-right: 0px; }
        .no-padding { padding: 0px; }   /*done*/
    /* Padding Section*/

    /* Margin section */
        .margin-top { margin-top: 10px; }   /*done*/
        .margin-bottom { margin-bottom: 10px; } /*done*/
        .margin-right { margin-right: 10px; } /*done*/
        .margin-left { margin-left: 10px; } /*done*/
        .margin-horizontal { margin-left: 10px; margin-right: 10px; } /*done*/
        .margin-vertical { margin-top: 10px; margin-bottom: 10px; } /*done*/
        .margin-all { margin: 10px; }   /*done*/
        .no-margin { margin: 0px; }   /*done*/

        .no-vertical-margin { margin-top: 0px; margin-bottom: 0px; }
        .no-horizontal-margin { margin-left: 0px; margin-right: 0px; }

        .inside-col-shrink { margin: 0px 20px; }    /*done - For the inside sections that has also Title section*/ 
    /* Margin section */

    hr
    { margin: 0px; padding: 0px; border-top: 1px dashed #999; }
/*--------------------------------------------FrameWork------------------------*/
 function randomNum()
        {
            "use strict";
            return Math.floor(Math.random() * 9)+1;
        }
            var loop1,loop2,loop3,time=30, i=0, number, selector3 = document.querySelector('.thirdDigit'), selector2 = document.querySelector('.secondDigit'),
                selector1 = document.querySelector('.firstDigit');
            loop3 = setInterval(function()
            {
              "use strict";
                if(i > 40)
                {
                    clearInterval(loop3);
                    selector3.textContent = 4;
                }else
                {
                    selector3.textContent = randomNum();
                    i++;
                }
            }, time);
            loop2 = setInterval(function()
            {
              "use strict";
                if(i > 80)
                {
                    clearInterval(loop2);
                    selector2.textContent = 0;
                }else
                {
                    selector2.textContent = randomNum();
                    i++;
                }
            }, time);
            loop1 = setInterval(function()
            {
              "use strict";
                if(i > 100)
                {
                    clearInterval(loop1);
                    selector1.textContent = 4;
                }else
                {
                    selector1.textContent = randomNum();
                    i++;
                }
            }, time);
Run Pen

External CSS

  1. https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css

External JavaScript

This Pen doesn't use any external JavaScript resources.