html {

scroll-behavior: smooth;
}

body{
    width: 100%;
    height: 100%;
    padding: 0px;
    margin: 0px; 
}


h1{

    font-size: 4em;
    text-align: center;
    color: black;
}

h2{
    font-size: 2em;
    text-align: center;
    color: black;
}

pre{
    font-size: 19px;
    color: black;
    margin: 90px;
}
p{
    font-size: 1em;
    color: black;
    margin: 30px;
}
footer{
    background-color: hsl(0, 1%, 25%);
    font-size: .4cm;
    color: white;
    text-align: center;
    margin: 0px;
}

#myBtn{

    display: none;
    position: fixed;
    bottom: 20px;
    right: 30px;
    z-index: 99;
    font-size: 18px;
    border: none;
    outline: none;
    background-color: rgb(54, 144, 218);
    color: white;
    cursor: pointer;
    padding: 15px;
    border-radius: 4px;
    transition: all .4s;

}

#myBtn:hover {
   background-color: #555; /* Add a dark-grey background on hover */
}

.navbar ul{
    font-size: 20px;
    list-style-type: none;
    background-color: hsl(0, 1%, 25%);
    padding: 0px;
    margin: 0px;
    overflow: hidden;
}

.navbar a{
    color: white;
    text-decoration: none;
    padding: 15px;
    display: block;
    text-align: center;
}

.navbar a:hover{
    background-color: hsl(0, 0%, 10%);
}

.navbar li{
    float: left;
}