* {
    margin: 0;
    padding: 0;
}

canvas {
    width: 100%;
    height: 100%;
}

html, body {
    height: 100%;
}

.menu {
    position: absolute;
    left: 0;
    top: 0;
}

.button {
    cursor: pointer;
    width: 50px;
    padding: 5px;
    margin: 5px;
    background-color: aquamarine;
    text-align: center;
    border-radius: 5px;
    border: 1px gray;
}

.button:hover {
    cursor: pointer;
    background-color: #74e0bc;
}

.button-stop + .button-edit {
    display: none;
}

#fps {
    position: absolute;
    right: 0;
    top: 0;
    padding: 10px;
}

.context-menu {
    position: absolute;
    display: none;
}

.context-menu-button {
    cursor: pointer;
    padding: 4px;
    border: 1px solid gray;
    border-radius: 2px;
    width: 16px;
    height: 16px;
    align-items: center;
    justify-content: center;
    display: none;
    /* pointer-events: none; */
}
.context-menu-button.delete {
    text-indent: -9999px;
    background: url("/chain/src/icons/delete.svg") no-repeat top left;
    background-color: honeydew;
    background-size: 16px 16px;
    background-position: 4px;
}


.context-menu-button.rotate-right {
    transform: scale(-1, 1);
    text-indent: -9999px;
    background: url("/chain/src/icons/rotate.svg") no-repeat top left;
    background-color: honeydew;
    background-size: 16px 16px;
    background-position: 4px;
}

.context-menu-button.rotate-left {
    text-indent: -9999px;
    background: url("/chain/src/icons/rotate.svg") no-repeat top left;
    background-color: honeydew;
    background-size: 16px 16px;
    background-position: 4px;
}

.context-menu-button:hover {
    background-color: #c0ccc0;
}


.context-menu-remove .context-menu-button.delete {
    display: block;
}

.context-menu-rotate-right .context-menu-button.rotate-right {
    display: block;
}

.context-menu-rotate-left .context-menu-button.rotate-left {
    display: block;
}