#input, #output1, #output2 {
    height: calc(87.5vh);
}

input[type="file"] {
    width: 100px;
}

.fullscreen {
    position: fixed;
    width: 100vw;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.loading {
    display: none;
    background-color: rgba(0, 0, 0, .5);    
    z-index: 9999;
    color: white;
    font-size: 2rem;    
}

.loading > div {
    width: 5rem;
    height: 5rem;
}

.login {
    background: radial-gradient(#555, #333);
    z-index: 5000;
    opacity: 100%;
    transition: opacity 1s;
}