@media screen and (max-width: 320px) {
    .title {
        font-size: 24px;
    }
    .clock {
        padding-top: 50px;
    }
    .clock__watch {
        font-size: 50px;
    }
    .timer__button {
        width: 100px;
        min-height: 45px;
        font-size: 12px;
    }
    .button-start,
    .button-pause,
    .button-clear,
    .button-continue,
    .button-interval {
        background-size: 60%;
    }
}
@media screen and (max-width: 480px) {
    .title {
        font-size: 24px;
    }
    .clock {
        padding-top: 50px;
    }
    .timer__button {
        width: 100px;
        min-height: 45px;
        font-size: 12px;
    }
    .button-start,
    .button-pause,
    .button-clear,
    .button-continue,
    .button-interval {
        background-size: 60%;
    }
}
@media screen and (max-width: 768px) {
    .clock__watch {
        font-size: 60px;
    }
    .clock {
        padding-top: 50px;
        margin: 0 auto;
    }
    
}