    * {
  box-sizing: border-box;
}

    #myVideo { height: 40%; }
    
    video {
    position: fixed;
    text-align: center;
    padding: 0%;
    top: 40%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%); }

    body {
        background-color: #d8e8be;
        font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
    }

    .tube-frame {
        background-image: url(/imgs/15.gif);
        background-repeat: repeat-x;
    }

    #navigation {
        position: relative;
        display: flex;
        flex-wrap: wrap;
        width: 40%;
        justify-content: space-evenly;
        font-size: 18px;
        color: black;
        z-index: 100;
        line-height: 0;
        margin-top: 10px;
    }

    #navigation p {
        text-transform: uppercase;
        margin: 12px auto 12px auto;
    }
    
    #navigation a {
        color: black;
    }

    a { 
        color: blue;
        text-decoration: none;
    }

    a:hover {
         text-decoration: underline;
    }

    img {
  display: block;
  margin: auto; }

    #header {
    display: flex;
    justify-content: center;
    }

    #header img {
    margin:auto;
    border: 20px solid white;    
    background-color: beige;
    }

    #header pre {
        color: cyan;
        font-size: 6px;
        text-shadow: black 2px 2px;
    }

    #page {
        justify-items: center;
        align-items: center;
    }


    .men-reaching {
        position: relative;
        display: flex;
        width: 100%;
        justify-content: space-between;
    }

    .men-reaching img {
        padding: 5%;
        width: 16vw;
        height: auto;
    }

    .info {
        text-align: center;
    }


    .regular {
        position: relative;
        margin: auto;
        height: 40vw;
        min-height: 300px;
    }

    .back {
                float: right;
                margin: 10px;
                text-decoration: underline;
                padding: 10px;
                border: 2px dotted blue;
                border-radius: 10px;}
    .back a { color: blue; }

@media screen and (max-width: 500px) {
#header pre {
        font-size: 4px; }

.men-reaching {
    justify-content: space-evenly; }

.men-reaching img {
        padding: 1%;
        width: 7%;
        height: auto; }

     #myVideo {
        height: 30%; }
        
}