body{
    font-weight: bold;
    font-family: sans-serif;
    background-color: #fcfeff;
}
.back{
    height: 80vh;
    width: 100%;
    display: grid;
    place-items: center;
}
h1{
    font-size: 3em;
    color: #757575;
}
.main{
    display: flex;
    justify-content: center;
    width: 60%;
    background-color: #fff;
    height: 300px;
    box-shadow: rgba(0, 0, 0, 0.02) 0px 1px 3px 0px, rgba(27, 31, 35, 0.15) 0px 0px 0px 1px;
    border-radius: 7px;
    border: 1px solid #757575;
}
h3{
    padding: 0.5em;
    text-align: center;
    text-transform: uppercase;
    font-weight: 100;
    color: #757575;
    font-size: 0.8em;
}
.timerDiv,.stopwatchDiv{
    width:50%;
}
.timerWatchDivChild{
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 60%;
}
span{
    font-size: 3em;
}
.span-zero{
    font-size: 1.8em;
}
sub{
    font-size: 1.2em;
}
button{
    width: 80px;
    height: 30px;
    outline: none;
    color: #fff;
    border: 1px solid #fff;
    background-color: #00a8ff;
    border-radius: 5px;
    margin-top: 40px;
}
button:hover{
    background-color: #48dbfb;
}

@media (max-width:768px){
    .stopwatchDiv{
        text-align: center;
    }
    h1{
        font-size: 2em;
    }
    .main{
        padding: 3em;
        display: flex;
        flex-direction: column;
        align-items: center;
        width: 50%;
        height: auto;       
    }
    button{
        width: 60px;
        height: 25px;
    }
    .stopwatchDiv{
        margin-top: 2em;
    }
}
@media (max-width:495px){
    .main{
        width: 60%;
    }
    button{
        width: 45px;
        font-size: 0.7em;
    }
    h3{
        font-weight: bold;
        font-size: 0.6em;
    }
}