body{
    background: black;
    margin: 0;
    padding: 0;
    height: 100%;
    width: 100%;
}

canvas {
    display: block;
}

* {
    margin: 0;
    padding: 0;
}

#env {
    position: absolute;
    top: 0;
    bottom: 300px; /* must correspond to control-panel height*/
    width: 100%; 
}

.control-panel {
    height: 300px;
    width: 100%;
    bottom: 0;
    position: absolute;
    background-color: gray;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, 1fr);
}

.control-set {
    margin: 5px;
    padding: 5px;
    border: 10px;
    border-color: black;
    background-color: lightgray;
}

#speed-controller {
    grid-column: 1;
    grid-row: 1;
}

#stats {
    grid-column: 1;
    grid-row: 2;
}

#tab-container {
    grid-column: 2 / 4;
    grid-row: 1 / 3;
}

.tabnav {
    overflow: hidden;
    background-color: #333;
}
.tabnav p {
    float: left;
    color: #f2f2f2;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    font-size: 17px;
    user-select: none;
}
.tabnav p:hover {
    background-color: rgb(121, 121, 121);
    color: black;
}

.tab {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: 1;
}

.tab#hyperparameters {
    display: none;

}

.tab#editor {
    display: grid;
}

.left-half {
    grid-column: 1;
}

.right-half {
    grid-column: 2;
}

.control-mode-button {
    border-color: gray;
    background-color: lightgray;
}

#none-button {
    background-color: gray;
}



#editor-env {
    position: absolute;
    height: 220px;
    width: 220px; 
    padding: 10px;
    float: left;
}
#cell-selections {
    display: none;
    padding: 10px;
    grid-template-columns: 1;
    grid-template-rows: 5;
    float: right;
}
.cell-type {
    grid-column: 1;
    width: 30px;
    height: 30px;
    border: solid black;
    border-width: 2px;
    margin: 1px;
    
}
#mouth{
    background-color: orange;
    grid-row: 1;
}
#producer{
    background-color: white;
    grid-row: 2;
}
#mover{
    background-color: #3493eb;
    grid-row: 3;
}
#killer{
    background-color: red;
    grid-row: 4;
}
#armor{
    background-color: purple;
    grid-row: 5;
}
#editor-mode-cont{
    padding-top: 20px;
}