.main-panel {
    min-height: calc(100vh - 70px)!important;
}
.tutorials-wrapper {
    display: flex;
    gap: 20px;
    margin: 20px;
    flex-flow: column nowrap;
}

.tutorials-wrapper .tutorial-item {
    border-radius: 5px;
    background-color: #fff;
    padding: 15px;
}

.tutorials-wrapper .tutorial-item iframe  {
    border-radius: 10px;
    width: 100%;
    height: 290px;
}

.tutorials-wrapper .tutorial-item h5 {
    margin:8px 0 0;
    text-align: center;
    font-weight: 600;
}

@media (min-width:920px) {
    .tutorials-wrapper {
        flex-flow: row wrap;
    }

    .tutorials-wrapper .tutorial-item {
        width:48.5%;
    }
}

@media (min-width:1350px) {
    .tutorials-wrapper .tutorial-item {
        width:32%;
        max-width: 600px;
    }
}