* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --body-bg: #FFFFFF;
    --bodydark-bg: #121214;
    --time-txt: #323238;
    --buttons: rgba(66, 211, 255, 13%);
    --sounds: #323238;
    --sound-bg: #E1E1E6;
    --selected-sound: #FFFFFF;
    --selected-sound-bg: #02799D;

    font-size: 62.5%;
}

body {
    height: 100vh;
    width: 100vw;

    background-color: var(--body-bg);
    font-family: Roboto, sans-serif;
}

header {
    position: absolute;
    top: 15px;
    right: 15px;
}
header button {
    border: none;
    background-color: transparent;
}



main {
    height: 100vh;

    display: flex;
    justify-content: center;
    align-items: center;
    gap: clamp(3rem, 5rem + 8vw, 19.2rem);
}

h1 {
    font-size: 9.6rem;
    color: var(--time-txt);

    filter: drop-shadow(0px 4px 4px rgba(0, 0, 0, 0.25))
}

.volumeSlider {
    --slider-Thumb: rgb(50, 50, 56);
    appearance: none;
    background: var(--slider-Thumb);
    outline: none;
    width: 9rem;
    height: .4rem;
    border-radius: 9px;   
    margin-top: 2rem;
}

.volumeSlider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 1.6rem;
    height: 1.6rem;
    border-radius: 50%; 

    background: var(--slider-Thumb);
    cursor: pointer;
}

.volumeSlider::-moz-range-thumb {
    width: 25px;
    height: 25px;
    border-radius: 50%; 

    background: #2796ee;
    cursor: pointer;
}
.whiteSlider {
    background: white;
}
.blackslider {
    background: black;
}

#timer {
    display: grid;
    place-items: center;
}

.buttons {
    max-height: 48px;
    
    display: flex;
    gap: 14px;
}

.buttons button {
    border: none;
    background: none;

}

#sounds {
    display: flex;
    gap: 1.2rem;

    position: absolute;
    top: 60px;
}

#sounds button {
    width: clamp(6.4rem, 2rem + 10vw, 13.8rem);
    height: 15.2rem;

    border: none;
    
    border-radius: 2.4rem;
    background-color: var(--sound-bg);
    
}

button div svg {
    margin: 1.5rem 0 auto;
    fill: black;
}

.whiteVolume {
    fill: white;
}
.blackVolume {
    fill: black;
}

button:hover {
    cursor: grab;
} 

@media (min-width: 546px) {
    #sounds {
        position: static;
        display: grid;

    }
}

@media (min-width: 638px) {
    #sounds {
        grid-template-columns: auto auto;
        gap: 3.2rem;
    }
    h1 {
        font-size: 11rem;
    }
}