body {
    box-sizing: border-box;
    margin: 0;
    display: flex;
    height: 100vh;
    user-select: none;
    align-items: center;
    justify-content: center;
    background-color: rgb(29, 29, 29);
}
#canvas {
    background-color: rgb(230, 230, 230);
    border-radius: 10px;
    border: 4px solid rgb(56, 56, 56);
    box-shadow: 0px 0px 10px 5px rgb(0, 0, 0);
}
/* #canvas_holder {
    width: calc(100% - 20px);
} */
#grid {
    display: none;
}


.grid {
    display: grid;
    grid-template-rows: auto 50px;
    /* width: 90%;
    height: 90%; */
    width: calc(100% - 50px);
    height: calc(100% - 50px);
}
.panel {
    display: flex;
    padding: 0px;
    background-color: whitesmoke;
    border-radius: 10px;
}
.panel button:first-child {
    border-top-left-radius: 9px;
    border-bottom-left-radius: 9px;
}
.panel button:last-child {
    border-top-right-radius: 9px;
    border-bottom-right-radius: 9px;
}
.panel button {
    padding: 0px 8px;
    border: 0px;
    background-color: whitesmoke;
}
.panel button:hover {
    background-color: rgb(199, 199, 199);
}

@media screen and (max-width: 740px) {
    .panel button img {
        height: 30px;
    }
  }