.container-content{min-height:calc(100vh - 70px)}.footer{height:50px}.navbar .navbar-brand img{height:40px}.backgroundLoading{top:0;left:0;height:100%;width:100%;background-color:red;position:absolute;z-index:88;opacity:.7}.loader{border:16px solid #f3f3f3;border-top:16px solid #3498db;border-radius:50%;width:7rem;height:7rem;animation:spin 2s linear infinite;z-index:9999;position:absolute;color:#fff;left:45%;top:45%}