.v-center {
    height: 250px !important;
    width: 100%;
    display: table;
    position: relative;
    text-align: center;
}

    .v-center > div {
        display: table-cell;
        vertical-align: middle;
        position: relative;
        top: -10%;
    }

.modal-box {
    display: none;
    position: fixed;
    z-index: 9999;
    width: 98%;
    background: white;
    border-bottom: 1px solid #aaa;
    border-radius: 4px;
    box-shadow: 0 3px 9px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(0, 0, 0, 0.1);
    background-clip: padding-box;
}

@media (min-width: 32em) {

    .modal-box {
        width: 70%;
    }
}

.modal-box header,
.modal-box .modal-header {
    padding: 1.25em 1.5em;
    border-bottom: 1px solid #ddd;
}

    .modal-box header h3,
    .modal-box header h4,
    .modal-box .modal-header h3,
    .modal-box .modal-header h4 {
        margin: 0;
    }

.modal-box .modal-body {
    padding: 2em 1.5em;
}

.modal-box footer,
.modal-box .modal-footer {
    padding: 1em;
    border-top: 1px solid #ddd;
    background: rgba(0, 0, 0, 0.02);
    text-align: right;
}

.modal-overlay {
    opacity: 0;
    filter: alpha(opacity=0);
    position: absolute;
    top: 0;
    left: 0;
    z-index: 9990;
    width: 100%;
    min-height: 1000px;
    background: rgba(0, 0, 0, 0.3) !important;
}

a.close {
    line-height: 1;
    font-size: 1.5em;
    position: absolute;
    top: 5%;
    right: 2%;
    text-decoration: none;
    color: #bbb;
}

    a.close:hover {
        color: #222;
        -webkit-transition: color 1s ease;
        -moz-transition: color 1s ease;
        transition: color 1s ease;
    }