html, body {
    height: 100%;
}

body {
    margin: 0;
}

.flex-container {
    height: 100%;
    width: 100%;
    display: flex;
    justify-content: center;
    background: rgba(0, 0, 0, 0);
    position: absolute;
    pointer-events: none;
}

.row {
    height: max-content;
}

.big-title {
    margin: 20px;
    font-family: 'Roboto Mono', monospace;
    color: white;
    font-size: 40px;
}

.flex-item {
    padding: 30px;
    height: 20px;
    margin: 10px;
    line-height: 20px;
    text-align: center;
}

.bn5 {
    pointer-events: auto;
    font-family: 'Roboto Mono', monospace;
    color: white;
    font-size: 20px;
    padding: 0.6em 1em;
    border: none;
    outline: none;
    color: rgb(255, 255, 255);
    background: #111;
    cursor: pointer;
    position: relative;
    z-index: 0;
    border-radius: 10px;
    text-decoration: none;
}

.bn5:before {
    content: "";
    background: linear-gradient(
        45deg,
        #ff0000,
        #ff7300,
        #fffb00,
        #48ff00,
        #00ffd5,
        #002bff,
        #7a00ff,
        #ff00c8,
        #ff0000
    );
    position: absolute;
    top: -2px;
    left: -2px;
    background-size: 400%;
    z-index: -1;
    filter: blur(5px);
    width: calc(100% + 4px);
    height: calc(100% + 4px);
    animation: glowingbn5 20s linear infinite;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
    border-radius: 10px;
}

@keyframes glowingbn5 {
    0% {
        background-position: 0 0;
    }
    50% {
        background-position: 400% 0;
    }
    100% {
        background-position: 0 0;
    }
}

.bn5:active {
    color: #000;
}

.bn5:active:after {
    background: transparent;
}

.bn5:hover {
    color: #f0f0f0;
}

.bn5:hover:before {
    opacity: 1;
}

.bn5:after {
    z-index: -1;
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    background: #191919;
    left: 0;
    top: 0;
    border-radius: 10px;
}

#particles-js{
    width: 100%;
    height: 100%;
    background-color: #000;
    position: absolute;
}