*{
    margin: 0;
    padding: 0;
    font-family: 'Roboto', sans-serif;
}
body{
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #222;
    color: #fff;
}
.stopwatch h1{
    font-size: 64px;
    font-weight: 600;
}
.buttons{
    display: flex;
    justify-content: center;
    align-items: center;
}
.buttons img{
    width: 50px;
    margin: 0 10px;
    cursor: pointer;
}
.buttons img:nth-child(2){
    width: 80px;
}