chrono.css

* {
    padding: 0;
    margin: 0;
    user-select: none;
}

body {
    color: #ffffff;
    background-color: #fa003e;
}

h1 {
    font-family: "Fredoka One", cursive;
    font-size: 4rem;
    margin-bottom: 30px;
    text-align: center;
    margin-top: 20px;
    letter-spacing: 3px;
}

.container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.counter-container {
    font-size: 6rem;
    color: #ab1a43;
    font-family: "Rowdies", cursive;
    font-weight: bold;
    margin-bottom: 0px;
    user-select: none;
}

.flags-container {
    width: 30rem;

    height: 60%;
    max-height: 250px;
    background-color: #f8295d;
    border-radius: 8px;
    overflow-y: scroll;
    padding: 10px 0 0 0;
    box-sizing: border-box;
    display: none;
}

.flags-container::-webkit-scrollbar {
    width: 8px;
    background-color: #f8295d;
    border-radius: 0 8px 8px 0;
}

.flags-container::-webkit-scrollbar-thumb {
    width: 8px;
    background-color: #fff;
    /*border-radius: 0 8px 8px 0;*/
    border-radius: 8px;
}

.seconds {
    color: #ffffff;
}

.buttons-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 20px;
}

button {
    border: none;
    background-color: #fa003e;
    cursor: pointer;
    font-size: 1.6rem;
    margin: 0 10px;
    padding: 10px;
    outline: none;
    color: #ffffff;
    user-select: none;
}

#play {
    font-size: 4rem;
}

button:hover {
    background-color: #f8295d;
}

.line-separator {
    width: 100%;
    height: 10px;
    background-color: #ffffff;
    margin-bottom: 15px;
    display: none;
}

.flag {
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 2rem;
    margin-bottom: 10px;
}

.flag-position {
    margin-right: 30px;
}

@media screen and (max-width: 560px) {
    .counter-container {
        font-size: 4rem;
    }
    .flags-container {
        width: 20rem;
        height: 50%;
    }
}