body{
    /* background-color: rgb(85, 34, 34);
     */
     background-image: url(./stopwatch.jpg);
     background-repeat: no-repeat;
     background-position: center;
     background-size: cover;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    text-align: center;
}
#cointainer{
    color: white;
}
.number{
    font-size: 142px;
    font-weight: bold;
}
#text{
    font-size: 40px;
    font-weight: bold;
}
#btn{
    text-align: center;
    margin-top: 48px;
}
.btn{
    padding: 7px 25px;
    font-size: 15px;
    margin: 0 10px;
    color: white;
    border: 0;
    cursor: pointer;
}
#start{
background-color: green;
}
#stop{
background-color: red;
}
#reset{
background-color: yellowgreen;
}
@media only screen and (max-width:720px){
    #times span {
        font-size: 30px !important;
    }
    .btn{
        margin: auto !important;
    }
}