*{
    color: white;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
body{
    background-color: #1a1a1a;
}
input{
    background-color: #2a2a2a;
}
input[type="button"]{
    cursor: pointer;
}
hr{
    border-color: #2a2a2a;
}
.red{
    color: tomato;
}
.green{
    color: greenyellow;
}