body {
    font-family: 'Open Sans', sans-serif;
    background-color: #fafafa;
}

#workspace {
    height: 95vh;
    width: 97vw;
    padding: 5px 5px 5px 5px;
}

#evaluation_view {
    float: left;
    margin: 3px;
}

#evaluation-input-view {
    float: left;
    width: 400px;
    margin: 10px;
}

#evaluation_output_editor {
    height: 94vh;
}

#finished_pairs {
    height: 94vh;
}

#editor_grid_control_btns {
    float: left;
    margin-top: 10px;
    margin-bottom: 10px;
    width: 100%;
    padding-top: 5px;
    padding-bottom: 5px;
}

#input_grid {
    float: left;
    margin-top: 10px;
    margin-bottom: 10px;
    margin-right: 2px;
    width: 45%;
    padding-top: 5px;
    padding-bottom: 5px;
    padding-right: 2px;
}

#arrow_grid {
    float: left;
    margin-right: 2px;
    padding-right: 2px;
    margin-top: 135px;
}

#output_grid {
    float: left;
    margin-top: 10px;
    margin-bottom: 10px;
    margin-left: 4px;
    width: 45%;
    padding-top: 5px;
    padding-bottom: 5px;
    padding-left: 4px;
}

#resize_control_btns {
    width: 100%;
    float:left;
    margin-bottom: 10px;
}

#submit_solution_btn {
    color: white;
    border-radius: 4px;
    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.2);
    background: rgb(28, 184, 65);
}

#submit_solution_btn:active {
  background: blue;
}

.col_container {
    background-color: #d2d3db;
}

button:focus {outline:0;}

.layer_button {
    display: none;
}

.layer_selector {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 2px;
    left: 2px;
    border: 1px solid black;
    border-radius: 4px;
    transition: all ease .5s;
    transform: translate(-12.5px, -3px);
}

input[class="layer_button"]:checked + .layer_selector {
    border-color: #0055ff; 
    box-shadow: 0px 0px 6px 2px #0055ff;
}

#layer_panel {
    height: 68vh;
    padding-top: 10px;
    overflow-x: hidden;
    overflow-y: scroll;
}



#toolbar {
    float: left;
    margin-left: 10px;
    margin-top: 18px;
    margin-bottom: 10px;
    width: 100%;

}

#symbol_picker {
    float: left;
    margin-left: 20px;
    width: 100%;
}

.symbol_preview {
    width: 25px;
    height: 25px;
    float: left;
}

label {
    margin-left: 10px;
}

input, button {
    margin-left: 10px;
}

#resize_btn {
    margin-left: 0;
}

/*Task demonstration*/

.pair_preview {
    height: 200px;
    padding: 5px;
    border-bottom: solid 1px #a1a1a1;
}
.layer_preview {
    position: relative;
    width: 90%;
    height: 100px;
    padding: 5px;
    margin-bottom: 10px;
}
.input_preview {
    height: auto;
    width: auto;
    /* float: left; */
    margin-left: 3px;
}
.output_preview {
    height: auto;
    width: auto;
    /* float: right; */
    margin-right: 3px;
}

.text {
    text-align: center;
    /* background: #d2d3db; */
    padding-top: 5px;
    padding-bottom: 5px;
    margin-bottom: 10px;
    border-color: lightslategray;
    border-radius: 4px;
}

#task_demo_header {
    margin: 10px;
}

#modal_bg {
    background-color: black;
    width: 100%;
    min-height: 10000px;
    position: absolute;
    top: 0;
    left: 0;
    overflow: hidden;
}

#modal {
    margin: auto;
    background-color: white;
    text-align: center;
    padding: 100px;
    width: 500px;
    margin-top: 100px;
}

#modal input {
    margin-left: 70px;
}