:root {
    --background: white;
    --main: black;
    --accent: blue;
    --lightBackground: #f5f5f5;
    --lightMain: #464646;
    --lightAccent: cyan;

    font-family: sans-serif;

    background-color: var(--background);
}

* {
    outline: none;
    color: var(--main);
}

h2 {
    color: var(--lightMain);
    margin: 0;
}

main {
    margin-top: 4%;
    width: 80%;
    margin-left: auto;
    margin-right: auto;
    border: 5px solid var(--main);
    border-radius: 25px;
    padding: 65px;
}

main > h2 {
    font-size: 15vh;
}


#time {
    margin: 0;

    color: var(--accent);
    font-family: monospace;
    font-size: 12vw;
}

#time>span {
    font-size: 8vw;
}


#settingsBtn {
    background-color: white;
    border: 1px solid var(--main);
    width: 5rem;
    height: 5rem;
    padding: 0;
    padding-top: 3px;
    border-radius: 50%;
    cursor: pointer;
    float: right;
    margin-top: 2px;

    transition-duration: 150ms;
}

#settingsBtn:hover {
    background-color: #eee;
}


#settingsModal {
    position: fixed;
    width: 70%;
    top: 15%;
    left: 15%;
    text-align: center;
    border: 2px solid var(--main);
    background: var(--lightBackground);
    height: 50%;
    border-radius: 10px;
}

#settingsModal>h1:first-child {
    color: var(--accent);
}

#closeSettingsModalBtn {
    background-color: var(--background);
    position: absolute;
    padding: 10px;

    bottom: 0;
    left: 0;
    right: 0;

    border: none;
    border-top: 2px solid var(--main);
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;

    cursor: pointer;
    transition-duration: 150ms;
}

#closeSettingsModalBtn:hover {
    background-color: var(--lightAccent);
}

select {
    background-color: var(--background);
    padding: 5px 10px;
    cursor: pointer;
}


input[type=checkbox] {
    cursor: pointer;
    transform: scale(1.25);
}


@media screen and (max-width: 1000px) {
    main { width: 40%; }
}

@media screen and (max-width: 500px) {
    main { width: 80%; }
}

@media screen and (max-height: 500px) {
    #settingsModal {
        top: -10px;
        left: -2px;
        width: 100%;
        height: 98vh;
    }

    #closeSettingsModalBtn {
        bottom: -10px;
    }
}