.video-container {
  position:relative;
}
.speakerVideo {
    width: 1200px;
    float: left;
    border:5px solid orange;
    position: absolute; 
    background:transparent;border-style:solid; border-width: thin;border-color:#FFCC33; border-radius:6px;padding:0rem;
}

.slidesVideo {
    width: 500px;
    border:5px solid blue;
    position: absolute;
    background:transparent;border-style:solid; border-width: thin;border-color:FFCC33; border-radius:6px;padding:0rem;
}