styles.css

@import url("https://fonts.googleapis.come/css2?family=Open+Sans:wght@300;400;600;700&display=swap");
:root{
    --white:fff;
    --black : #1c2b2d;
    --blue : #31326f;
    --light-blue: #005490;
    --color-primary : #9d0191;
    --color-sec: #db6400;
    --grey: #eee;
    --dark-grey: #222831;

}
*{
    margin : 0;
    padding : 0;
    box-sizing: border-box;
}
html{
    font-size: "Open Sans", "sans-serif";
}
p{
    font-size: 1.6rem;
    line-height: 1.5;
}
img{
    width: 100%;
}
.container{
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content:center;
    align-items: center;
    height: 100vh;
}
.counter{
    width: 40rem;
    border: 1px solid grey;
    padding: 1rem;
    background-color:var(--light-blue);
    color: white;
    text-align:center;
    border-radius: 5px;
}
.counter > *{
    margin-bottom: 2rem;
}
.count{
    font-size: 4rem;
}
.buttons button{
    padding: 1rem;
    margin: 0 1rem;
    font-size: 1.5rem;
    color: white;
    border: none;
    outline: none;
    border-radius: 3px;
    font-weight: 549;
    cursor: pointer;

}
button.subtract{
    background-color: greenyellow;
    color: black;

}
button.add{
background-color: aqua;
color: black;}
button.reset{
    background-color: aqua;
    color: blueviolent;
}