html, body {
    padding: 0;
    margin: 0;
    width: 100vw;
    height: 100vh;

    -webkit-font-smoothing: antialiased;
    -moz-font-smoothing: grayscale;
    font-family: Open Sans, sans-serif;
}

* {
    box-sizing: border-box;
}

.container {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.iframe-container {
    position: relative;
    width: 100%;
    flex: 1;
    display: flex;
}

.iframe-container > iframe {
    border: 0;
    width: 100%;
    flex: 1;
}

.controls {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    flex-shrink: 0;
    height: 80px;
    padding: 15px 0 0 15px;
    background-color: #F2F2F2;
    border-top: 1px solid #e7e7e7;
    overflow: scroll;
}

.controls > * {
    margin-right: 15px;
    margin-bottom: 15px;
}

button {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    position: relative;
    border: 2px solid transparent;
    border-radius: 4px;
    padding: 0 13px;
    font-family: "Open Sans", sans-serif;
    font-weight: 600;
    text-align: center;
    text-shadow: none;
    text-transform: uppercase;
    line-height: 1.2;
    cursor: pointer;
    outline: none;
    transition: background .2s;
    color: white;
    background-color: #1caad9;
    height: 25px;
    font-size: 12px;
}

button.disabled {
    cursor: default;
    pointer-events: none;
    color: #ccc;
    background-color: #e7e7e7;
    transition: background-color .25s ease;
}

.description {
    box-sizing: border-box;
    position: absolute;
    padding: 30px;
    top: 30px;
    right: 30px;
    width: 240px;
    background: rgba(0, 0, 0, 0.6);
    color: #ffffff;
    border-radius: 3px;
    z-index: 2;

    opacity: 0;
    pointer-events: none;
}

.description.--active {
    opacity: 1;
    pointer-events: all;
}

.description iframe,
.description img {
    max-width: 100%;
    height: auto;
}