body{
    background-color: grey;
}
#titulo{
    font-weight: bold;
    margin-left: 460px;
    margin-top: 50px;
}

#cajaVideos{
    margin-left: 370px;
}

#cajaBotones1{
    margin-left: 400px;
}

#cajaBotones2{
    margin-left: 410px;
}

input{
  background-color: #555555;
  border: none;
  color: white;
  padding: 15px 32px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  cursor: pointer;
}

input:hover{
    box-shadow: 0 0 2px 1px rgba(255, 255, 255, 0.5);
  }