style.css

body{
    background: rgb(150,150,150);
    font-family: 'Minecraft';
    color:rgb(50,50,50);
    -webkit-touch-callout: none;
    -webkit-user-select: none;
     -khtml-user-select: none;
       -moz-user-select: none;
        -ms-user-select: none;
            user-select: none; 
    height: 100%;
    width: 100%;
    overflow: hidden;
}

#indicator{
    pointer-events:none;
}

.panel{
    border: 1px solid white;
    float:top-left;
    vertical-align: top;
    height:fit-content;
    width:fit-content;
    background:#c6c6c6;
    display:inline-block;
    border-right: 4px solid #555555;
    border-bottom: 4px solid #555555;
}

.grid{
    height:fit-content;
    width:fit-content;
}

.panel-title{
    display:block;
    text-align: center;
    height:fit-content;
    color: #404040;
}

.info-panel{
    color:brown;
}

.panel-row{
    height:fit-content;
    width:100%;
    display:block;
}

.panel-cell{
    background: #8b8b8b;
    background-repeat: no-repeat;
    background-size: auto;
    box-sizing: border-box;
    width:36px;
    height:36px;
    display: inline-block;
    border-top: 2px solid #373737;
    border-left: 2px solid #373737;
    border-bottom: 2px solid white;
    border-right: 2px solid white;
}

.fuel-uranium-single{
    background-image: url("images/Grid_Uranium_Cell.png");
}

.fuel-uranium-dual{
    background-image: url("images/Grid_Dual_Uranium_Cell.png");
}

.fuel-uranium-quad{
    background-image: url("images/Grid_Quad_Uranium_Cell.png");
}
.fuel-mox-single{
    background-image: url("images/Grid_Fuel_Rod_(MOX).png");
}
.fuel-mox-dual{
    background-image: url("images/Grid_Dual_Fuel_Rod_(MOX).png");
}
.fuel-mox-quad{
    background-image: url("images/Grid_Quad_Fuel_Rod_(MOX).png");
}
.heat-vent{
    background-image: url("images/Grid_Heat_Vent.png");
}
.heat-vent-reactor{
    background-image: url("images/Grid_Reactor_Heat_Vent.png");
}
.heat-vent-advanced{
    background-image: url("images/Grid_Advanced_Heat_Vent.png");
}
.heat-vent-component{
    background-image: url("images/Grid_Component_Heat_Vent.png");
}
.heat-vent-overclocked{
    background-image: url("images/Grid_Overclocked_Heat_Vent.png");
}
.heat-exchanger{
    background-image: url("images/Grid_Heat_Exchanger.png");
}
.heat-exchanger-advanced{
    background-image: url("images/Grid_Advanced_Heat_Exchanger.png");
}
.heat-exchanger-reactor{
    background-image: url("images/Grid_Core_Heat_Exchanger.png");
}
.heat-exchanger-component{
    background-image: url("images/Grid_Component_Heat_Exchanger.png");
}
.coolant-cell-10k{
    background-image: url("images/Grid_10k_Coolant_Cell.png");
}
.coolant-cell-30k{
    background-image: url("images/Grid_30k_Coolant_Cell.png");
}
.coolant-cell-60k{
    background-image: url("images/Grid_60k_Coolant_Cell.png");
}
.condensator-rsh{
    background-image: url("images/Grid_RSH-Condensator.png");
}
.condensator-lzh{
    background-image: url("images/Grid_LZH-Condensator.png");
}