body {
   margin: 0;
   display: flex;
   justify-content: center;
   align-items: center;
   min-height: 100vh;
   background: yellow;
   font-family: sans-serif;
}

video {
   box-shadow:0 0 1px 3px rgba(0,0,0,0.1);
}

.wrapper {
   width: 850px;
   display: flex;
}

.speed {
   background: #efefef;
   flex: 1;
   display: flex;
   align-items: flex-start;
   margin: 10px;
   border-radius: 50px;
   box-shadow: 0 0 1px 3px rgba(0, 0, 0, 0.1);
   overflow: hidden;
}

.speed-bar {
   width: 100%;
   background: black;
   text-shadow: 1px 1px 0 rgba(0, 0, 0, 0.2);
   display: flex;
   align-items: center;
   justify-content: center;
   padding: 2px;
   color: white;
   height: 16.3%;
}