style.css

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

body{
    width: 100%;
    background-color: #242424;
}

.prompt{
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    top: 84vh;
}

.prompt input{
    width: 1000px;
    height: 30px;
    font-size: 20px;
    border: solid 0px;
    border-bottom: solid 2px;
    border-bottom-color: black;
    background-color: transparent;
    color: #00aa00;
}

.prompt button{
    width: 100px;
    height: 30px;
    font-size: 20px;
    border: solid 0px;
    border-radius: 8px;
    background-color: #171717;
    color: #00aa00;
}

.systemBar {
    background-color: black;
    padding: 10px;
}

.helpButton {
    width: 100px;
    height: 30px;
    font-size: 20px;
    border: solid 0px;
    border-radius: 8px;
    background-color: #171717;
    color: #00aa00;
}

.cash {
    position: relative;
    left: 165vh;
    font-size: 20px;
    color: #00aa00;
}

.output label {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    
    top: 50vh;
    
    font-size: 20px;
    color: #00aa00;
}

.helpButton+button{
    width: 100px;
    height: 30px;
    font-size: 20px;
    border: solid 0px;
    border-radius: 8px;
    background-color: #171717;
    color: #00aa00;    
}