body {
    margin:10px;
    color: black;
    background-color: #383838;
    background-repeat: no-repeat;
    background-image: linear-gradient(#08ffb5, #383838);
    text-align: center;
    font-weight: bold;
    scroll-behavior:smooth;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.topnav .active {
    background-image: linear-gradient(#0be597, #05d6f5);
    color: black;
    border-radius: 12px;
}

.topnav a {
    background-color: rgb(20, 20, 20);
    text-align: center;
    color: white;
    padding: 1% 2.7%;
    float: left;
    text-decoration: none;
    font-weight: bolder;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 15px;
    border-radius: 12px;
    /* border-style: solid; */
    border: 3px solid rgb(20, 20, 20);
}

.topnav a:hover {
    background-image: linear-gradient(#10af77c2, #0295aca9);
}

.topnav {
    height: auto;
    background-color: rgb(20, 20, 20);
    display: table;
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
}

pre {
    padding: 0 15%;
    width: 70%;
    text-align: center;
    font-size: larger;
    color: white;
}

.topnav .yt {
    padding: 1% 2%;
    float: right;
    background-image: linear-gradient(#0be597, #05d6f5);
    color: black;
    border-radius: 10px;
}

.banner {
    vertical-align: middle;
    border-radius: 20px;
    width: 70%;
    margin: 0 7%;
    margin-top: 2.5vh;
    border-style: solid;
    border-color: black;
    border-width: 0.7vw;
}

.dark {
    background-color: #383838;
}

.video {
    border-radius: 20px;
    margin: 10px 10px;
    border-style: solid;
    border-color: black;
    border-width: 1vh;
}

h1 {
    display: inline;
    font-size: 50px;
    font-weight: bolder;
    background-image: linear-gradient(#0be597, #05d6f5);
    background-clip: text;
    color: transparent;
    -webkit-text-stroke-width: 3px;
    -webkit-text-stroke-color: black;
}

/* @media only screen and (max-width: 375px) {
    .hide{
        visibility:hidden;
    }
  } */