styles.css

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body, input, select, textarea, button {
    font-size: small;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    line-height: 1.5;
}
body {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    height: 100vh;
}
body.drop-target::before {
    content: 'Drop files here';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    pointer-events: none;
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(0, 0, 0, 0.6);
    border: 8px dashed yellow;
    font-size: 1.5rem;
    color: #fff;
}
button {
    padding: 2px 5px;
    cursor: pointer;
}
#header {
    padding: 10px;
    flex-shrink: 0;
}
#main {
    display: flex;
    flex-grow: 1;
    min-height: 0;
}
#main-left {
    width: 35%;
    max-width: 600px;
    padding-left: 10px;
}
#main-right {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}
#main-left video {
    width: 100%;
    max-height: calc(100vh - 35px);
    vertical-align: middle;
}
#timing {
    display: flex;
    align-items: center;
    margin-top: 5px;
}
#timing #timer {
    padding: 0 10px;
}
#timing #progress {
    flex-grow: 1;
}
#cue-table {
    width: 100%;
    border-spacing: 0;
}
#cue-table th,
#cue-table td {
    padding: 5px;
    vertical-align: top;
    text-align: left;
    border-right: 1px solid #cdcdcd;
    border-bottom: 1px solid #cdcdcd;
}
#cue-table tr:first-child th {
    border-top: 1px solid #cdcdcd;
}
#cue-table tr th:first-child,
#cue-table tr td:first-child {
    border-left: 1px solid #cdcdcd;
}
#cue-table thead tr th {
    background-color: #efefef;
}
#cue-table tbody tr:nth-child(even) {
    background-color: #fafafa;
}
#cue-table .text {
    width: 50%;
}
#cue-table .textinput {
    /* display: flex;
    align-items: flex-start; */
}
#cue-table textarea {
    flex-grow: 1;
    padding: 5px;
    resize: none;
    vertical-align: middle;
}
#cue-table .textinput .apply-text {
    margin-left: 5px;
}
#cue-table .textinput:not(.changed) .apply-text {
    display: none;
}
#cue-table tbody tr.active {
    color: #fff;
    background: #666;
}
#main-right-options {
    display: flex;
    flex-shrink: 0;
    padding: 0 10px 10px 20px;
}
#main-right-options .spacer {
    flex-grow: 1;
}
#main-right-options button {
    margin-right: 10px;
}
#main-right-options button:last-child {
    margin-right: 0;
}
#cue-table-wrap {
    flex-grow: 1;
    overflow: auto;
    padding: 0 10px 10px 20px;
    -webkit-overflow-scrolling: touch;
}
#playPause.paused .pause,
#playPause:not(.paused) .play {
    display: none;
}
#video {
    cursor: pointer;
}
#video::cue {
    color: #fff;
    font-size: 120%;
    background-color: rgba(0, 0, 0, 0.6);
}
#progress {
    cursor: col-resize;
    -webkit-appearance: none;
    position: relative;
}
#progress[value]::-webkit-progress-bar {
    background-color: #eee;
    border-radius: 3px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.25) inset;
    overflow: hidden;
}
#progress[value]::-webkit-progress-value {
    background-color: #666;
}
#cue-table thead th {
    position: sticky;
    top: 0;
}
#previewButton {
    margin-left: 10px;
}
body.preview #header,
body.preview #audio-slider,
body.preview #main-right {
    display: none;
}
body.preview #main-left {
    width: 100%;
    max-width: none;
    padding-left: 0;
}
body.preview #preview {
    margin: 0 auto;
}
body.preview #timing {
    margin: 5px 10px;
}
body:not(.preview) #previewButton .small,
body.preview #previewButton .big {
    display: none;
}
button.insertTime.update {
    visibility: hidden;
    padding-right: 2px;
}
tr:hover button.insertTime.update {
    visibility: visible;
}
#cues .mergeUp,
#cues tr:first-child .move.up,
#cues tr:last-child .move.down {
    display: none;
}
#importVTTFile,
#importVideoFile {
    display: none;
}


@media only screen and (max-width: 600px) {
    #main {
        flex-direction: column;
    }
    #main-left {
        width: 100%;
        max-width: 100%;
        padding-right: 10px;
    }
    #main-right {
        margin-top: 5px;
        padding-top: 5px;
        border-top: 1px solid #aaa;
        min-height: 0;
    }
    #main-right-options {
        padding: 0 10px;
    }
    #cue-table-wrap {
        padding: 0 10px;
    }
}