style.css

:root {
    /* Support dark mode */
    color-scheme: light dark;
}

body {
    margin: 20px;
    padding: 10px;
}

footer {
    opacity: 0.6;
    font-size: small;

    display: flex;
    width: 100%;
    justify-content: center;
}

.dot {
    width: 15px;
    height: 15px;
    border-radius: 50%;
    display: inline-block;
    margin-right: 5px;
}

.dot.green {
    background-color: green;
}

.dot.orange {
    background-color: orange;
}

.dot.red {
    background-color: red;
}

.heart {
    color: #CD001A; /* Cherry red */
}

/* Don't let media go offscreen */
img,
picture,
video {
    max-width: 100%;
    padding: 2% 0;
}

/* Display the button in the center of small screens such as phones */
@media screen and (max-device-width: 1000px) {
    #checkContainer {
        display: flex;
        justify-content: center;
    }
}

/* Hover animation for URLs */
a {
    text-decoration: none;
    color: inherit; /* Reset to default text color */
    position: relative;
}

a::before {
    content: '';
    position: absolute;
    /* Height of the line */
    bottom: -2px;
    height: 2px;
    left: 0;
    width: 0;
    background-color: orange;
    transition: width 0.3s ease;
}

a:hover::before {
    width: 100%;
}