* {
    margin: 0px;
    padding: 0px;
    box-sizing: border-box;
}

main {
    width: 100%;
    height: 100vh;
    background-image: url('img/bg.jpg');
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    overflow-y: auto;
    background-size: cover;
    text-align: center;
    padding: 10px;
}

.logo {
    width: 100%;
    text-align: center;
}

.logo img {
    width: 120px;
    margin: 20px;
}

h1 {
    color: yellow;
    text-shadow: 3px 3px 3px rgba(0,0,0,0.5);
    font-size: 2em;
}

h2 {
    color: white;
    text-shadow: 3px 3px 3px rgba(0,0,0,0.5);
    font-size: 1.1em;
    margin: 20px;
}

#form {
    background-color: rgb(188, 34, 34);
    margin: auto;
    width: 280px;
    padding: 10px;
    border-radius: 20px;
    box-shadow: 3px 3px 3px rgba(0,0,0,0.5);
}

input {
    width: 250px;
    height: 30px;
    border-radius: 20px;
    margin: 10px auto;
    padding: 10px;
    box-shadow: 3px 3px 3px rgba(0,0,0,0.5);
    border: none;
}

input[type=submit] {
    width: 150px;
    background-color: blue;
    cursor: pointer;
    transition: .5s;
    font-weight: bold;
    color: white;
}

#youtube {
    margin: 30px;
}

h3 {
    background-color: rgb(188, 34, 34);
    width: 250px;
    color: white;
    padding: 20px;
    box-shadow: 3px 3px 3px rgba(0,0,0,0.5);
    border-radius: 20px;
    margin: auto;
}

iframe {
    width: 85%;
    aspect-ratio: 16 / 9;
}

h4, a {
    color: white;
    margin: 5px;
    text-decoration: none;
}