body {
    font-family:'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: auto;
    width: 90%;
}
h1, h2 {
    text-align: center;
}
input {
    padding: 5px;
    margin: 0 10px;
    font-family: inherit;
}
button {
    color: white;
    background: teal;
    margin: 15px;
    padding: 10px;
    border: 0;
    border-radius: 5px;
    box-shadow: 3px 3px 10px grey;
}
button:hover {
    color: black;
    background:aquamarine;
}
button:active {
    color: black;
    background:aquamarine;
    transform: translateY(3px) !important;
    box-shadow: 0px 0px 10px grey;
}
.increment-button {
    font-size: 1.2em;
    width: 100px;
}
#buttons, #settings {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 10px;
}
#chart {
    border: 1px solid black;
    width: 90%;
    max-width: 700px;
    margin: auto;
}