*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
 .increase{
 background-color: purple;
 height: 50px;
width: 150px;
 border: none;
font-size: 15px;
color: white;
font-weight: bold;
  box-shadow: 0 8px 20px rgba(128, 0, 128, 0.7);
  cursor: pointer;
 }
 .decrease{
    background-color: rgba(0, 255, 255, 0.813);
    color: white;
    height: 50px;
    width: 150px;
    border: none;
    font-size: 15px;
    font-weight: bold;
   box-shadow: 0 6px 12px rgba(0, 200, 200, 0.8);
   cursor: pointer;
 }
  .box{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 80px !important;
  }
  .box h2{
    color: white;
    font-size: 50px;
    font-weight: bold;
  }
  .first-box{
    height: 97vh;
    width: 100vw;
   background-color: black;
   display: flex;
   justify-content: center;
   align-items: center;
  }
  .main-box{
    height: 500px;
    width: 500px;
    background-color: darkgray;
    display: flex;
    justify-content: center;
    align-items: center;
  
   
  }

@media(max-width:350px){
    .btn{
        display: flex;
        flex-direction: column;
        gap: 30px;
    }
    

}