body { 
    background-image: linear-gradient(to top, red, yellow); 
    height: 100vh; 
    margin: 0; 
}

#outputDiv{
  position: relative;
  margin: 0 auto;
  top: 400px;
  left: -80px;
  text-align: center;
}

#smoesjes{
    position: relative;
   top: 330px;
    left: 540px;
    
}

#doos{
    width: 400px;
    height: 200px;
    position: relative;
    top: 200px;
    left: 370px;
    border-radius: 100px;
    background-color: white;
    z-index: -10;
    border: solid black;
}

#pijl1{
    width: 30px;
    height: 70px;
    background-color: rgb(0, 0, 0);
    position: relative;
    top: -180px;
    left: 557px;
   
}

#pijl2{
    width: 0px;
    height: 0px;
    border-left: 30px solid transparent;
    border-right: 30px solid transparent;
    border-top: 60px solid rgb(0, 0, 0);
    position: relative;
    top: -180px;
    left: 543px;
   
}

#tekst{
    font-size: 80px;
    position: relative;
    left: 430px;
}

#pijl{
    position: relative;
    animation: pijl 3s infinite;
}

@keyframes pijl{
    0%{top: 0px;}
    50%{top: 30px;}
    100%{top: 0px;}
}