body {
    background: #000;
    margin: 0;
    overflow: hidden;
}

#Qwerty {
    color: green;
    font-family: Monaco, monospace;
    font-size: 24px;
    width: 100%;
    text-align: center;
    position: absolute;
    top: 45%;
    left: 0;
    animation: 120ms infinite normal qwer1;
}

.black-text {
    color: black;
}

#qwer {
    animation: 1.5s infinite normal qwer2;
}

::-moz-selection {
    background: #7021d2;
    color: #fff;
}

::selection {
    background: #7021d2;
    color: #fff;
}

@keyframes qwer1 {
    0% {
        opacity: 0;
        left: 0;
    }
    40%, 80% {
        opacity: 1;
        left: -2px;
    }
}

@keyframes qwer2 {
    0% {
        opacity: 0;
        left: 0;
    }
    40% {
        opacity: 0;
        left: -2px;
    }
    80% {
        opacity: 1;
        left: -2px;
    }
}