html, body {
    height: 100%;
    width: 100%;
    padding: 0;
    margin: 0;
    background: #eee;
}

#maria-index {
    height: 100%;
    display: flex;
}
.maria-editor-frame {
    background: #eee;
    height: 100%;
    border: none;
    width: 100%;
    box-sizing: border-box;
    padding: 0;
    margin: 0;
    display: -webkit-box; display: -ms-flexbox; display: flex;
    -webkit-box-align: stretch; -ms-flex-align: stretch; align-items: stretch;
}


.progress-indeterminate, .progress-indeterminate:before {
    height: 3px;
    width: 100%;
    margin: 0;
}

.progress-indeterminate {
    background-color: #b3d4fc;
    display: -webkit-flex;
    display: flex;

}
.progress-indeterminate:before {

    background-color: #3f51b5;
    content: '';
    -webkit-animation: running-progress 2s cubic-bezier(0.4, 0, 0.2, 1) infinite;
    animation: running-progress 2s cubic-bezier(0.4, 0, 0.2, 1) infinite;

}

@-webkit-keyframes running-progress {
    0% {
        margin-left: 0px;
        margin-right: 100%;
    }
    50% {
        margin-left: 25%;
        margin-right: 0%;
    }
    100% {
        margin-left: 100%;
        margin-right: 0;
    }
}

@keyframes running-progress {
    0% {
        margin-left: 0px;
        margin-right: 100%;
    }
    50% {
        margin-left: 25%;
        margin-right: 0%;
    }
    100% {
        margin-left: 100%;
        margin-right: 0;
    }
}