/* Home Page Block 2 */
  #block_2 {
    width: 1100px;
    height: 650px;
    margin: auto;
    margin-top: 30px;
    background-color: white;
    border-radius: 15px;
    box-shadow: rgb(38, 57, 77) 0px 20px 30px -10px;
  }
#video{
  width: 1100px;
    height: 650px;
    margin: auto;
    border-radius: 15px;
}
poster{
width: 1100px;
height: 650px;
}
/* medium Screen */
@media all and (min-width: 481px) and (max-width: 768px) {
  #block_2, #video, poster {
    width: 500px;
  }
}
/* Small Screen */
@media all and (min-width: 320px) and (max-width: 480px) {
  #block_2, #video, poster {
    width: 300px;
    height: 300px;
  }
}