body {
    background-color: #000;
    color: #F00;
    font-family: 'Courier New', Courier, monospace;
}

.main {
    max-width: 600px;
    margin: 20px auto 0 auto;
    background: linear-gradient(#402, #800);
    border: 7px solid;
    -webkit-animation: glow 5s ease-in-out infinite;
    -moz-animation: glow 5s ease-in-out infinite;
    -o-animation: glow 5s ease-in-out infinite;
    animation: glow 5s ease-in-out infinite;
}

@keyframes vscrol {
    from {
        background-position: 0 0
    }

    to {
        background-position: 150px 150px
    }
}

.main2 {
    padding: 10px;
    border: 5px solid #000;
    text-align: center;
    background-image: url(https://file.garden/ZRWQAzccGFWyKufI/NEOCITIES/casino/dammon.png);
    -webkit-animation: vscrol 10s linear infinite;
    -moz-animation: vscrol 10s linear infinite;
    -o-animation: vscrol 10s linear infinite;
    animation: vscrol 10s linear infinite;
}

.slotbox {
    display: grid; 
    grid-template-columns: auto auto auto;
    column-gap: 10px;
    text-align: center;
    max-width: 350px;
    margin: auto;
}

.blackborder {
    background-color: #FF0;
    border: 4px solid black;
}

.glowborder {
    border: 7px solid;
    background-color: #000;
    -webkit-animation: glow 5s ease-in-out infinite;
    -moz-animation: glow 5s ease-in-out infinite;
    -o-animation: glow 5s ease-in-out infinite;
    animation: glow 5s ease-in-out infinite;
}

.interior {
    padding-bottom: 100%;
    height: 0;
    overflow: hidden;
}

@keyframes glow {
    0% {
        border-color: #F60;
    }

    50% {
        border-color: #FF0;
    }

    100% {
        border-color: #F60;
    }
}

.victory {
    -webkit-animation: flash 0.5s step-end infinite;
    -moz-animation: flash 0.5s step-end infinite;
    -o-animation: flash 0.5s step-end infinite;
    animation: flash 0.5s step-end infinite;
    font-weight: bold;

}

@keyframes flash {
    0% {
        color: #F90
    }

    50% {
        color: #FF0
    }
}

input[type="button"] {
    font-size: 25px;
    line-height: 25px;
    border: #F00 solid 3px;
    background-color: #FF0;
    color: #F00;
    font-weight: bold;
    font-family: 'Courier New', Courier, monospace;
}

img {
    max-width: 100%;
}

.container {
    display: grid;
    grid-template-columns: 49% 2% 49%;
    grid-auto-columns: 50px;
    max-width: 500px; margin: auto;
    width: inherit;
    height: 250px;
}