.wrapper{
    overflow: hidden;
    position: relative;
    .form-control{
        background: #F5F5F5;
        width: 90%;
        margin: 20px auto;
        font-size: 16px;
    }
    footer{
        height: 55px;
        line-height: 55px;
        background: #1b5b99;
        border-radius: 0;
        margin-top: 0;
        z-index: 0;
        min-width: 320px;
        max-width: 640px;
        margin: 0 auto;
        bottom: 70px;
        left: 0;
        position: fixed;
        width: 100%;
        color: #fff;
        text-align: center;
    }
}
