html{
    scroll-behavior: smooth;
}

#main{
    /* min-height: 100vh;
    height: 100%; */
    /* OR */
    min-height: calc(100vh - 50px - 50px);
}

* {
    margin: 0;
    padding: 0;
}

nav { 
    height: 50px;
}

footer {
    height: 50px;
}

/* scrolltotop button */
#top {
    display: none; /* Hidden by default */
    position: fixed; /* Fixed/sticky position */
    bottom: 5px; /* Place the button at the bottom of the page */
    right: 30px; /* Place the button 30px from the right */
    z-index: 99; /* Make sure it does not overlap */
    border: none; /* Remove borders */
    outline: none; /* Remove outline */
    background-color: #707070; /* Set a background color */
    color: white; /* Text color */
    cursor: pointer; /* Add a mouse pointer on hover */
    padding: 10px; /* Some padding */
    border-radius: 10px; /* Rounded corners */
}

#top:hover {
    background-color: #878787; /* Add a dark-grey background on hover */
}