body {
    width: 100vw;
    height: 100vh;
    margin: 0;
    background: black;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}
canvas {
    position: absolute;
    top: 0;
    left: 0;
    z-index: -99;
}
.yt_form {
    width: 430px;
    padding: 35px;
    border: 1px solid #ddd;
    border-radius: 8px;
    color: black;
    background: rgba(255, 255, 255, 0.8);
    box-shadow: 1px 1px 20px rgba(0, 0, 0, 0.5);
}

.img_container {
    width: 100%;
    height: 200px;
    position: relative;
}

.img_container > img {
    max-height: 100%;
    max-width: 100%;
    height: 100%;
    width: 100%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

#container_step2 {
    display: none;
}

.logo {
    width: 100%;
    height: 80px;
    position: relative;
}

.logo > img {
    max-height: 100%;
    max-width: 100%;
    height: auto;
    width: auto;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}
.footer {
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
  color: white;
}
.link_gray > a {
    color: gray !important;
}