canvas {
    position: fixed;
    top: 0px;
    left: 0px;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    
}

.canvasLight {
   background: linear-gradient(180deg, rgba(171,62,255,1) 0%, rgba(237,90,26,1) 100%);
}
.canvasDark {
   background: #262626;
}

.textDark {
   color: #fff;
}

.textLight {
   color: #262626;
}


.background_toggle {
    position: absolute;
    width: 50px;
    height: 50px;
    top: 15px;
    right: 15px;
  
 }
 
 .background_toggle img {
    width: 50px;
    height: 50px;
    cursor: pointer;
    position: absolute;
    left: 5px;
    top: 0px;
    transition: opacity 0.5s;
    z-index: 500;
 }
 
 .background_toggle img#switchDark {
    opacity: 0;
 }
 
 .background_toggle img#switchLight {
    opacity: 0;
 }