Big Red Button

HTML

<a href="#" class="btn-big-red" draggable="false" title="Sign me up!" target="_top">!</a>

CSS

body {
    background: #e5e5e5;
    padding: 10px;
}

.btn-big-red {
    background-color: #C63702;
    background-image: linear-gradient(167deg, rgba(255, 255, 255, 0.1) 50%, transparent 55%), linear-gradient(top, rgba(255, 255, 255, 0.15), transparent);
    border-radius: 6px;
    box-shadow: 0 0 0 1px #c63702 inset, 0 0 0 2px rgba(255, 255, 255, 0.15) inset, 0 8px 0 0 #ad3002, 0 8px 0 1px rgba(0, 0, 0, 0.4), 0 8px 8px 1px rgba(0, 0, 0, 0.5);
    color: white;
    display: block;
    font-family: "Lucida Grande", Arial, sans-serif;
    font-size: 70px;
    font-weight: bold;
    height: 100px;
    letter-spacing: 0px;
    line-height: 100px;
    margin: 28px 0 10px;
    position: relative;
    text-align: center;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
    text-decoration: none !important;
    transition: all .2s linear;
    width: 100px;
    border-radius: 100px;
}

.btn-big-red:hover {
    background-color: #d13902;
    box-shadow: 0 0 0 1px #c63702 inset, 0 0 0 2px rgba(255, 255, 255, 0.15) inset, 0 10px 0 0 #ad3002, 0 10px 0 1px rgba(0, 0, 0, 0.4), 0 10px 8px 1px rgba(0, 0, 0, 0.6);
    margin-top: 26px;
    margin-bottom: 12px;
}

.btn-big-red:active {
    box-shadow: 0 0 0 1px #ad3002 inset, 0 0px 0 2px rgba(255, 255, 255, 0.15) inset, 0 0 0 1px rgba(0, 0, 0, 0.4);
    margin-top: 35px;
    margin-bottom: 3px;
}

JavaScript

$('.btn-big-red').click(function(e){
    e.preventDefault();
});