body {
    font-family: 'Zen Loop', cursive;
    text-transform: uppercase;
    min-height: 100%;
    overflow: hidden;
    background-image:
    url(img/pngtree-black-minimalist-atmospheric-wooden-background-backgroundwooden-backgroundtree-texture-image_77053.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    }
    .container {
    width: 60%;
    height: 100%;
    margin: 0 auto;
    }
    .watch {
    text-align: center;
    font-size: 5rem;
    font-weight: lighter;
    color: #fff;
    display: flex;
    justify-content: space-between;
    align-items: center;
    }
    .hourDiv,
    .minuteDiv,
    .secondDiv,
    .milliSecondDiv {
    width: 20%;
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
    }
    .hour,
    .minute,
    .second,
    .milliSecond {
    padding: 5px;
    background-color: var(--mainColor1);
    }
    .hourTitle,
    .minuteTitle,
    .secondTitle,
    .milliSecondTitle {
    background-color: var(--mainColor2);
    font-size: 3rem;
    padding: 5px;
    font-weight: bold;
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
    }
    .button {
    border: none;
    border-radius: 10px;
    font-size: 3rem;
    padding: 10px;
    width: 180px;
    font-weight: bold;
    font-family: 'Zen Loop', cursive;
    background-color: yellow;
    }
    .start {
    margin-right: 5%;
    color: var(--mainColor1);
    transition: 0.5s ease-in-out;
    }
    .start:hover {
    background-color: var(--mainColor2);
    color: #fff;
    }
    .pause {
    transition: 0.5s ease-in-out;
    }
    .pause:hover {
    background-color: orangered;
    color: #fff;
    }
    .stop {
    margin-left: 5%;
    color: var(--mainColor2);
    transition: 0.5s ease-in-out;
    }
    .stop:hover {
    background-color:orangered;
    color: #fff;
    }
    .buttons {
    margin-top: 2%;
    margin-bottom: 2%;
    display: flex;
    justify-content: center;
    align-items: center;
    
    }
    .visibility{
    visibility: hidden;
    
    }
    .enable{
    display: block;
    border: none;
    border-radius: 10px;
    font-size: 3rem;
    padding: 10px;
    width: 180px;
    font-weight: bold;
    font-family: 'Zen Loop', cursive;
    margin-right: 5%;
    background-color: yellow;

    }
    @media screen and (max-width: 768px) {
    .container {
    width: 100%;
    }
    .watch {
    font-size: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    }
    .hourTitle,
    .minuteTitle,
    .secondTitle,
    .milliSecondTitle {
    font-size: 2rem;
    }
    .button {
    margin-top: 5%;
    margin-bottom: 5%;
    width: 50%;
    }
    .start, .stop {
    margin: 0;
    }
    .buttons {
    margin-top: 10%;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    }
    }
    @media screen and (max-width: 550px) {
        body{
        height: 800px;
        }
    .watch {
    font-size: 2rem;
    margin-top: 30px;
    }
    .hourTitle,
    .minuteTitle,
    .secondTitle,
    .milliSecondTitle {
    font-size: 1.5rem;
    }
    .enable{
        
        margin-right: 3.5%;
        background-color: yellow;
    
        }
    }