@import "https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap";

:root {
    --color-title-h1: orange;
}


* {
    font-family: 'Poppins', sans-serif;
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}


body {
    background-color: black;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}


div {
    text-align: center;
}


h1 {
    color: var(--color-title-h1);
}


button {
    border-radius: 10px;
    border: none;
    color: white;
    margin-top: 1em;
    height: 2em;
    width: 5em;
}


button:hover {
    cursor: pointer;
}


.start-btn {
    background-color: green;
}


.pause-btn {
    background-color: grey;
}


.stop-btn {
    background-color: red;
}