body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

.container {
    width: 80%;
    margin: auto;
    overflow: hidden;
    padding: 20px;
}

h1 {
    text-align: center;
    color: #333;
}

.add-todo, .filters {
    background: #fff;
    padding: 10px;
    margin-bottom: 20px;
    border-radius: 5px;
}

input[type="text"], input[type="date"], select, button {
    padding: 8px;
    margin-right: 5px;
}

button {
    background: #333;
    color: #fff;
    border: none;
    cursor: pointer;
}

button:hover {
    background: #555;
}

#todo-list {
    list-style-type: none;
    padding: 0;
}

#todo-list li {
    background: #fff;
    padding: 10px;
    margin-bottom: 10px;
    border-radius: 5px;
}

.todo-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.todo-actions button {
    margin-left: 5px;
}

.completed {
    text-decoration: line-through;
    opacity: 0.7;
}

body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #f0f0f0;
}

.video-container {
    max-width: 800px;
    width: 100%;
    background-color: #000;
    position: relative;
}

video {
    width: 100%;
    display: block;
}

.controls {
    background-color: rgba(0, 0, 0, 0.7);
    padding: 10px;
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.control-btn {
    background-color: transparent;
    border: none;
    color: white;
    font-size: 16px;
    cursor: pointer;
}

.progress-bar {
    flex-grow: 1;
    margin: 0 10px;
}

.volume-control {
    display: flex;
    align-items: center;
}

#volume {
    width: 80px;
}

.playback-speed {
    background-color: transparent;
    color: white;
    border: 1px solid white;
    padding: 5px;
}


.video-container:-webkit-full-screen {
    width: 100%;
    height: 100%;
}

.video-container:-moz-full-screen {
    width: 100%;
    height: 100%;
}

.video-container:-ms-fullscreen {
    width: 100%;
    height: 100%;
}

.video-container:fullscreen {
    width: 100%;
    height: 100%;
}