body {
    background: linear-gradient(
        180deg,
        rgba(2,0,36,1) 0%,
        rgba(0,0,32,1) 11%,
        rgba(65,65,150,1) 100%
    ) fixed;
}

table {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 100%;
    border-spacing: 3em;
    border-collapse: separate;
}

.slot {
    border: 1px #fff solid;
    width: 50%;
    height: 80%;
}

#convert-row {
    text-align: center;
}

#convert-button {
    font-weight: bold;
    color: #fff;
    background: transparent;
    border: none;
    font-size: x-large;
    padding: 6px;
    animation: pulse 1s infinite;
}

#convert-button:disabled {
    visibility: hidden;
}

@keyframes pulse {
    0% {
        background-color: #400000;
    }
    50% {
        background-color: #580000;
    }
    100% {
        background-color: #400000;
    }
}

#download {
    display: none;
}