body, html {
    height: 100%;
    margin: 0;
    font-family: monospace;
    font-size: 16px;
    line-height: 1.4;
    overflow: hidden;
    background-color: #000;
}
#background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
}
.container {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    padding: 20px;
    box-sizing: border-box;
}
#terminal {
    background-color: rgba(0, 0, 0, 0.8);
    color: #fff;
    width: 80%;
    max-width: 800px;
    height: 80%;
    max-height: 600px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgb(255, 255, 255);
    display: flex;
    flex-direction: column;
}
#output {
    flex-grow: 1;
    overflow-y: auto;
    padding: 20px 20px 10px 20px;
    display: flex;
    flex-direction: column;
}
#input-container {
    display: flex;
    align-items: center;
    padding: 0 20px 20px 20px;
}
#input {
    background-color: transparent;
    border: none;
    color: rgb(255, 255, 255);
    font-family: inherit;
    font-size: inherit;
    outline: none;
    flex-grow: 1;
}
.prompt::before {
    content: "$ ";
}
.output-line {
    white-space: pre-wrap;
    margin-bottom: 5px;
}