style.scss

*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.main-section{
    background: rgb(211,204,227);
    background: radial-gradient(circle, rgba(211,204,227,1) 0%, rgba(233,228,240,1) 100%);
    position: relative;
    height: 100vh;
    width: 100vw;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;

    .heading{
        font-size: 3rem;
    }

    .count{
        font-size: 3rem;
        margin-top: 1rem;
        margin-bottom: 1rem;
    }

    .button-area{

        .reset{
            margin-left: 1rem;
            margin-right: 1rem;
        }

        button{
            width: 150px;
            height: 40px;
            border-radius: 10px;
            outline: none;
            border: solid black 2px;
            background-color: rgba(0, 0, 0, 0);
            cursor: pointer;
            font-size: 1rem;
            text-transform: uppercase;
            font-weight: bold;
            color: black;
        }

        button:hover{
            transition: 0.5s ease-out;
            background-color: black;
            color: white;
        }
    }
}

.footer{
    display: flex;
    justify-content: center;
    align-items: center;
    position: absolute;
    bottom: 0;
    width: 100vw;
    text-align: center;
    background-color: black;
    color: white;
    height: 25px;
    font-size: 0.8rem;
    font-weight: lighter;
}

@media screen and (max-width: 600px) {

    .count{
        font-size: 4rem !important;
        margin-top: 2rem !important;
        margin-bottom: 2rem !important;
    }


    .button-area{
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;

        button{
            width: 70vw !important;
            height: 50px !important;
        }

        .reset{
            margin-top: 1rem;
            margin-bottom: 1rem;
        }
    }
}