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

.container{
    height: 710px;
    width: auto;
    
}

.main-div{
    display: flex;
    justify-content: center;
}

.first-div{
   margin-top: 7rem;
   font-size: 1.5rem;
}

input{
    margin-left: 140px;
    margin-top: 20px;
    width: 100px;
    border: 2px solid black;
}

#colorBox {
    width: 200px;
    height: 200px;
    margin: 30px auto;
    border: 5px solid #000;
    border-radius: 10px;
}

#colorValue {
    font-weight: bold;
    margin-left: 70px;

}