:root {
    --lightred: #C15C5C;
    --red: #BA4949;
    --darkred: #A44E4E;
    --white: #FFFFFF;

    --lightturquoise: #4C9196;
    --turquoise: #38858A;
    --darkturquoise: #417B80;

    --lightblue: #4D7FA2;
    --blue: #397097;
    --darkblue: #426C8A;
}


* {
    font-family: 'Single Day', cursive;
    font-size: 1.3rem;
    background-color: var(--red);
    color: var(--white);
    cursor: default;
}

header {
    text-align: center;

}

h1 {
    font-size: 3rem;
}

main {

    display: flex;
    justify-content: center;
    font-weight: 600;
    align-items: center;
}

.main-section {
    padding: 1rem 5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: var(--lightred);
    border-radius: 1rem;
}

#time {
    font-size: 7.5rem;
    margin: 1.45rem;
    font-family: 'Archivo Black', sans-serif;
}

.button-list {
    background-color: var(--lightred);
}

.button-list button {
    border: 0;
    padding: 0 1.2rem;
    border-radius: 1rem;
    cursor: pointer;
    background-color: var(--lightred);
}

.button-list .active {
    background-color: var(--darkred);
}

.light {
    background-color: var(--lightred);
    transition: background-color 0.1s ease;
}

.start-button {
    cursor: pointer;
    padding: 1rem 3rem;
    background-color: var(--white);
    color: var(--red);
    border: 0;
    border-radius: 1rem;
    transition: background-color 0.1s ease, color 0.1s ease;
}

@media screen and (max-width: 768px) {

    main {
        flex-direction: column;
        align-items: center;
    }

    .main-section {
        padding: 1rem;
    }

    #time {
        font-size: 4rem;
        margin: 1rem;
    }

    .button-list button {
        padding: 0.6rem;
        font-size: 1rem;
    }

    .start-button {
        padding: 0.8rem 2rem;
    }
}

@media screen and (max-width: 480px) {



    h1 {
        font-size: 2.5rem;
    }

    .main-section {
        padding: 0.5rem;
    }

    #time {
        font-size: 3rem;
        margin: 0.5rem;
    }

    .button-list button {
        padding: 0.3rem;
    }

    .start-button {
        padding: 0.6rem 1.5rem;
    }
}

@media screen and (max-width: 340px) {
    * {
        font-size: 1.1rem;
    }
}