body {
    padding-top: 60px;
}
.page-header {
    margin-top: 0;
}
.popup {
    width: 100%;
    height: 100%;
    position: fixed;
    z-index: 5000;
    top: 50px;
    left: 0;
    text-align: center;
    display: none;
}
.popup .popup-cont {
    padding: 30px;
    background-color: white;
    box-shadow: 0 0 20px black;
    display: inline-block;
    text-align: left;
}
.btn {
    text-shadow: none;
    background-image: none;
}
.btn-default {
    background-color: black;
    color: white;
}
.btn-default:focus {
    background-color: #ef353a;
    color: white;
}
.btn-default:hover, .btn-default:active {
    background-color: #ef353a;
    color: white;
}