test.css

* {
    margin: 0;
    padding: 0;
    color: white;
    font-family: 'Inconsolata', monospace;
}

input {
    width: 100%;
    color: white;
    border: 0;
    background-color: transparent;
    outline: none;
    font-size: 15px;
}

body {
    overflow-x: hidden;
    overflow-y: hidden;
}

#background {
    height: 100vh;
}

.content {
    z-index: 99999999;
    position: absolute;
    left: 50%;
    top: 50%;
    -webkit-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
}

.terminal {
    width: 650px;
    height: 500px;
    background-color: rgb(0, 0, 0, 0.8);
    padding: 1%;
    white-space: pre-line;
    overflow-y: scroll;
    scrollbar-color: rgb(0, 0, 0, 0.8) green;
}

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: black;
}