*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}



body{
    font-family:  cursive;

    background:#556052;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

#container{
    color: #395144;
    text-shadow: #F2EFEA 3px 2px;
    font-weight: 900;

}

.digit{
    font-size: 150px;
    font-weight:bold;
    width: 40px;
    height: 40px;
    background-color:#AF6B58;
    border-radius: 10%;
    padding: 5px;
}

.txt{
    font-size: 100px;
     font-weight: bold;
}



#btn-container{
    text-align: center;
    margin-top: 40px;
}

#time{
    text-align: center;
}
.btn{
    padding: 12px 25px;
    font-size: 25px;
    margin: 0px 10px;
    color: #ccc;
    cursor: pointer;
    border: none;
    border-radius:6px ;


}

#start{
   background-color: #1abc9c;
}

#stop{
   background-color: #3498db;
}

#reset{
   background-color: #e74c3c;
}




/* responsive code start here */

@media screen and (max-width:1100px) {
    body{
        display: flex;
        justify-content: center;
        align-items: center;
        height: 100vh;
    }

    .digit{
        font-size: 80px;
        font-weight:bold;
    }

    .txt{
        font-size: 80px;
    }
}


@media screen and (max-width:650px) {
    body{
        display: flex;
        justify-content: center;
        align-items: center;
        height: 100vh;
    }

    .digit{
        font-size: 60px;
        font-weight:bold;
    }

    .txt{
        font-size: 50px;
    }


    @media screen and (max-width:450px) {
        body{
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            margin-left: 15px;
        }
    
        .digit{
            font-size: 40px;
            font-weight:bold;
        }
        
    
  .btn{
    margin-bottom: 15px;
  
  }
  
    }
}