main.css

body{
    background-color: #000000;
    color: #ffffff;
    font-family: 'Roboto Mono', monospace;
    text-align: center;
}

h1, h2{
    text-align: center;
}
.main {
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: 600px;
    margin-top: 50px;
}

form { 
        display: inline-block;
        margin-left: auto;
        margin-right: auto;
}

footer {
    position: fixed;
    left: 0;
    bottom: 0;
    width: 100%;
    background-color: #000000;
    color: white;
    text-align: center;
  
}
a:link {
    color: #ffffff;
    text-decoration: none;
}
a:visited {
    color: #ffffff;
    text-decoration: none;
}
a:hover{
    color: lime;
    text-decoration: none;
}
a:active{
    color: fuchsia;
    text-decoration: none;
}

.video-box{
    margin-left: auto;
    margin-right: auto;
    width: 800px;
    margin-top: 50px;
    border: 2px solid white;
    margin-bottom: 20px;
}
.thumb{
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: 50%;
    margin-bottom: 20px;
}