.page-centered {
    width: 400px;
    height: 400px;

    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;

    margin: auto;
}

.text-centered {
    text-align: center;
}

.btn {
    display: table;
    white-space: normal;
}

.btn span {
    display: table-cell;
    vertical-align: middle;
    font-size: x-large;
    font-weight: bolder;
}

.btn-info {
    background-color: #369 !important;
    background-repeat: repeat-x;
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr="#6caeda", endColorstr="#369");
    background-image: -khtml-gradient(linear, left top, left bottom, from(#6caeda), to(#22618a));
    background-image: -moz-linear-gradient(top, #6caeda, #369);
    background-image: -ms-linear-gradient(top, #6caeda, #369);
    background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #6caeda), color-stop(100%, #369));
    background-image: -webkit-linear-gradient(top, #6caeda, #369);
    background-image: -o-linear-gradient(top, #6caeda, #369);
    background-image: linear-gradient(#6caeda, #369);
    border-color: #369 #369 #369 #369;
    color: #fff !important;
    text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.49);
    -webkit-font-smoothing: antialiased;
}