* {
    box-sizing: border-box;
    font-family: 'Kufam', Verdana;
}
body {
    background-image: url(imgs/arrows2.jpg);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center center;
}
html, body {
    margin: 0;
    padding: 0;
}
#page {
    display: grid;
    _grid-template-rows: 5% 15% 1fr 10%;
    grid-template-rows: 5% 15% 1fr 10%;
    grid-template-columns: 5% 1fr 5%;
    height: 100vh;
    width: 100vw;
}
#head {
    text-align: center;
    grid-row: 2;
    grid-column: 2;
    align-self: center;
    color: wheat;
    _border-bottom: 3px solid white;
    font-size: 3.5em;
    text-shadow: 0 0 5px #031603, 0 0 20px #f5f56c, 0 0 20px #da2020;
    width: 70%;
    max-width: 700px;
    margin: auto;

    background-image: url(imgs/sigTrack_texto_icono.png);
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center center;
}
#head #sig {
    font-size: .85em;
    color: antiquewhite;
}
#pageContent {
    grid-row: 3;
    grid-column: 2;
    text-align: center;
    _color: white;
    color: black;
    padding-top: 5%;
}
#pageContent DIV {
    margin: 3% auto;
}
#pageContent * {
    margin: auto;
}
#form {
    _border: 2px solid white;
    border: 2px solid #2d1d1d;
    border-radius: 20px;
    _background-color: rgba(255,255,255,.1);
    background-color: rgb(251 253 253 / 60%);
    padding: 5% 0;
    text-align: center;
    max-width: 600px;
}
#form * {
    display: block;
}
#form #trackid {
    text-transform: lowercase;
    font-family: monospace;
    text-align: center;
    letter-spacing: .5vw;
    padding: 1vh 0;
    margin: 1vh auto;
    border-radius: 14px;
    outline: none;
    font-size: 1.6em;
    font-weight: bold;
    max-width: 60%;
}
#form #trackid:invalid {
    border: red solid 3px;
    background-color: rgba(255,0,0,.1);
    _color: white;
    transition: 1s;
}
#form BUTTON {
    border-radius: 14px;
    font-size: 1.2rem;
    padding: 1vh 5vw;
    background-color: palegreen;
    cursor: pointer;
}
#form BUTTON:hover {
    background-color: lawngreen;
    transition: 1s;
}
#form #trackid:invalid + BUTTON {
    cursor: not-allowed;
    opacity: .1;
}
.blured {
  filter: blur(5px);
}