.submit-button {
    background-color: rgb(255, 0, 0);
    background-image: -webkit-linear-gradient(top, rgb(255, 0, 0), rgb(153, 0, 0));
    box-shadow: rgb(102, 102, 102) 0px 2px 3px;
    font-family: 微软雅黑, Arial, Helvetica, sans-serif;
    font-size: 20px;
    text-align: center;
    clear: both;
    text-shadow: rgb(153, 0, 0) 1px 1px 0px;
    color: rgb(255, 255, 255) !important;
    border-radius: 8px;
    text-decoration: none;
    border-width: 1px;
    border-style: solid;
    border-color: rgb(139, 0, 0);
    border-image: initial;
    padding: 18px 50px;
}
.submit-button:hover {
    background-color: #E30D12;
    background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #700), color-stop(100%, #E30D12));
    background-image: -webkit-linear-gradient(top, #700, #E30D12);
    background-image: -moz-linear-gradient(top, #700, #E30D12);
    background-image: -ms-linear-gradient(top, #700, #E30D12);
    background-image: -o-linear-gradient(top, #700, #E30D12);
    background-image: linear-gradient(top, #700, #E30D12);
    box-shadow: 0 2px 3px #666666;
    -moz-box-shadow: 0 2px 3px #666666;
    -webkit-box-shadow: 0 2px 3px #666666;
    -webkit-border-radius: 8px;
    -moz-border-radius: 8px;
    border-radius: 8px;
    cursor: pointer;
}