script.js

// Color Scheme Selection
document.getElementById('color-scheme1').addEventListener('click', function() {
  document.body.style.backgroundColor = '#ffffff';
});

document.getElementById('color-scheme2').addEventListener('click', function() {
  document.body.style.backgroundColor = '	#545454';
});

document.getElementById('color-scheme3').addEventListener('click', function() {
  document.body.style.backgroundColor = '#c6e1c6';
});

// Random Color Scheme
document.getElementById('random-color-scheme').addEventListener('click', function() {
  var randomColor = '#' + Math.floor(Math.random() * 16777215).toString(16);
  document.body.style.backgroundColor = randomColor;
});

// Font Size Control
var fontSize = 16; // Initial font size in pixels

document.getElementById('increase-font').addEventListener('click', function() {
  fontSize += 0.5;
  document.body.style.fontSize = fontSize + 'px';
});

document.getElementById('decrease-font').addEventListener('click', function() {
  fontSize -= 0.5;
  document.body.style.fontSize = fontSize + 'px';
});



function moveClouds(callback) {
  /* clouds 1 & 2 move to the left 
     clouds 3 & 4 to the right */
  for (var i = 1; i < 5; i++) {
    var cloud = document.getElementById("cloud" + i);
    cloud.style.transitionTimingFunction = "ease-out";
    cloud.style.transitionDuration = "10ms";
    var top = window.getComputedStyle(cloud, null).getPropertyValue("top");

    var topValue = parseInt(top);
    topValue = topValue - 20;
    top = topValue + "px";

    cloud.style.top = top;

    var left = window.getComputedStyle(cloud, null).getPropertyValue("left");
    var leftValue = parseInt(left);

    if (i < 3) {
      leftValue = leftValue - 30;
    } else {
      leftValue = leftValue + 30;
    }
    left = leftValue + "px";

    cloud.style.left = left;
  }

  // Delay the execution of the callback function after the transition completes
  setTimeout(callback, 10);
}

// Example usage:
moveClouds(function() {
  // Code to execute after all clouds have disappeared
  var textElement = document.getElementById("mainText");
  textElement.innerText = "Welcome";
});

//JS part got from -  https://codepen.io/trixie13/pen/GNJqBJ