#page {
    padding-top: 60px;
}

div.numstudents {
    position: absolute;
    bottom: 0;
    right: 0;
    background-color: red;
    padding: 2px;
    color: #fff
}

@media screen and (max-width: 767px) {
    .responsive-table {
        width: 100%;
        margin-bottom: 15px;
        overflow-y: hidden;
    }
}

.table-responsive {
    overflow-x: auto;
}

.spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 120px;
    height: 120px;
    margin:-60px 0 0 -60px;
    -webkit-animation:spin 4s linear infinite;
    -moz-animation:spin 4s linear infinite;
    animation:spin 4s linear infinite;
}
@-moz-keyframes spin { 100% { -moz-transform: rotate(360deg); } }
@-webkit-keyframes spin { 100% { -webkit-transform: rotate(360deg); } }
@keyframes spin { 100% { -webkit-transform: rotate(360deg); transform:rotate(360deg); } }

span.check img{
    height: 10px;
    position: absolute;
    right: 20px;
    top: 1px;
}