@charset "UTF-8";

.back-button {
    display: inline-block;
    padding: 3px 6px;
	margin-bottom: 10px;
    border: 1px solid black;
    text-decoration: none;
}

body {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.shape {
    width: 150px;
    height: 150px;
    background-image: conic-gradient(black 45deg, white 45deg);
    clip-path: circle();
    display: grid;
    place-items: center;
}

.shape::before {
    content: "";
    width: 100px;
    height: 100px;
    background-color: white;
    clip-path: circle();
}

#upper{
	display: grid;
	grid-template-columns: repeat(3, 65px);
}

.speedup {
	white-space: pre-wrap;
    width: 60px;
    height: 60px;
	background-color: white;
}

.addup{
	white-space: pre-wrap;
	width: 60px;
	height: 60px;
	background-color: white;
}

.multiup{
	white-space: pre-wrap;
	width: 60px;
	height: 60px;
	background-color: white;
}