body{

    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: aliceblue;


}

#myH1{

    font-size: 4rem;
    font-family: Arial, Helvetica, sans-serif;
    color: black;
}

#container{

    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 60%;
    height: 250px;
    border: 5px solid black;
    border-radius: 50px;
    background-color: white;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    box-sizing: border-box;
}

#display{

    font-size: 5rem;
    font-family: monospace;
    color: black;
    margin: 20px;
    margin-bottom: 25px;
    font-weight: bold;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);

}

#controls button{
   font-size: 1.5rem; 
   font-weight: bold;
   padding: 10px 20px;
   margin: 5px;
   min-width: 125px;
   border: none;
   border-radius: 10px;
   cursor: pointer;
   color: black;
   transition: background-color 0.5s ease;

}

#startBtn{
    background-color: green;
}

#startBtn:hover{
    background-color: rgb(0, 211, 0);
}

#stopBtn{
    background-color: rgb(255, 0, 0);
}

#stopBtn:hover{
    background-color: rgb(182, 5, 5);
}

#resetBtn{
    background-color: rgb(251, 255, 0);
}

#resetBtn:hover{
    background-color: rgb(241, 225, 0);
}