* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #000000;
}

.background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    min-width: 100%;
    min-height: 100%;
}

.st_right_top {
    fill-rule: evenodd;
    clip-rule: evenevenodd;
    fill: rgba(58, 54, 54, 0.52);
    stroke: #ff0000;
    stroke-width: 0.1;
}

.st_left_top {
    fill-rule: evenevenodd;
    clip-rule: evenevenodd;
    fill: rgba(58, 54, 54, 0.52);
    stroke: #ff0000;
    stroke-width: 0.1;
}

.st_bottom {
    fill-rule: evenevenodd;
    clip-rule: evenevenodd;
    fill: rgba(58, 54, 54, 0.52);
    stroke: #ff0000;
    stroke-width: 0.1;
    animation: neonGlow_bottom 30s linear infinite;
}

.st_h {
    fill-rule: evenevenodd;
    clip-rule: evenevenodd;
    fill: rgba(255, 0, 0, 0.2);
    stroke: #ff0000;
    stroke-width: 0.1;
}

.st_s {
    fill-rule: evenevenodd;
    clip-rule: evenevenodd;
    fill: rgba(0, 4, 255, 0.2);
    stroke: #ff0000;
    stroke-width: 0.1;
}

@keyframes neonGlow_bottom {
    0% {
        filter: drop-shadow(0 0 1px #00ffff) drop-shadow(0 0 2px #00ffff) drop-shadow(0 0 4px #00ffff);
    }
    25% {
        filter: drop-shadow(0 0 1px #ff00ff) drop-shadow(0 0 2px #ff00ff) drop-shadow(0 0 4px #ff00ff);
    }
    50% {
        filter: drop-shadow(0 0 1px #00ff00) drop-shadow(0 0 2px #00ff00) drop-shadow(0 0 4px #00ff00);
    }
    75% {
        filter: drop-shadow(0 0 1px #ffff00) drop-shadow(0 0 2px #ffff00) drop-shadow(0 0 4px #ffff00);
    }
    100% {
        filter: drop-shadow(0 0 1px #00ffff) drop-shadow(0 0 2px #00ffff) drop-shadow(0 0 4px #00ffff);
    }
}

@keyframes neonGlow_right_top {
    0% {
        filter: drop-shadow(0 0 1px #ff00ff) drop-shadow(0 0 2px #ff00ff) drop-shadow(0 0 4px #ff00ff);
    }
    25% {
        filter: drop-shadow(0 0 1px #00ffff) drop-shadow(0 0 2px #00ffff) drop-shadow(0 0 4px #00ffff);
    }
    50% {
        filter: drop-shadow(0 0 1px #00ff00) drop-shadow(0 0 2px #00ff00) drop-shadow(0 0 4px #00ff00);
    }
    75% {
        filter: drop-shadow(0 0 1px #ffff00) drop-shadow(0 0 2px #ffff00) drop-shadow(0 0 4px #ffff00);
    }
    100% {
        filter: drop-shadow(0 0 1px #ff00ff) drop-shadow(0 0 2px #ff00ff) drop-shadow(0 0 4px #ff00ff);
    }
}

.st_right_top {
    animation: neonGlow_right_top 15s linear infinite;
}

@keyframes neonGlow_left_top {
    0% {
        filter: drop-shadow(0 0 1px #ff00ff) drop-shadow(0 0 2px #ff00ff) drop-shadow(0 0 4px #ff00ff);
    }
    25% {
        filter: drop-shadow(0 0 1px #00ffff) drop-shadow(0 0 2px #00ffff) drop-shadow(0 0 4px #00ffff);
    }
    50% {
        filter: drop-shadow(0 0 1px #00ff00) drop-shadow(0 0 2px #00ff00) drop-shadow(0 0 4px #00ff00);
    }
    75% {
        filter: drop-shadow(0 0 1px #ffff00) drop-shadow(0 0 2px #ffff00) drop-shadow(0 0 4px #ffff00);
    }
    100% {
        filter: drop-shadow(0 0 1px #ff00ff) drop-shadow(0 0 2px #ff00ff) drop-shadow(0 0 4px #ff00ff);
    }
}

.st_left_top {
    animation: neonGlow_left_top 15s linear infinite;
}