.preview-wrapper,
.preview-container,
.preview-link {
    display: block;
    width: 100%;
}

.preview-container {
    border: none;
    min-height: 300px;
    height: 30vh;
    max-height: 500px;
    background-color: #fafafa;
    border: 1px solid #eee;
}

.preview-link {
    text-align: right;
    margin: 10px 0 0 0;
    font-size: 0.9rem;
}