/* Custom CSS styles */

body {
  font-family: 'Ubuntu', Arial, sans-serif;
  background: linear-gradient(-45deg, #c79982,#e5db8e,#aae58f, #7aebf1, #0d2134, #00bfff);
  background-size: 400% 400%;
  animation: animateBackground 7s linear infinite;
}
@keyframes animateBackground {
  0% {
    background-position: 0% 50%;
  }
  100% {
    background-position: 100% 50%;
  }
}

header {
  padding: 20px;
  margin-bottom: 20px;
}

h1 {
  color: #fff;
  font-size: 44px;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 20px;
}

nav .col {
  display: flex;
  align-items: center;
}

nav .col span {
  color: #fff;
  margin-right: 10px;
}

nav .col input[type="range"] {
  width: 150px;
  margin-left: 10px;
}

.flex-container {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  min-height: 400px;
}

footer {
  background-color: #333;
  color: #fff;
  padding: 20px;
  text-align: center;
}

/* ...remaining styles... */

.flex-item{
    background: rgb(11, 211, 229);
    border: 1pt solid black;
    width: 10px;
    transition: 0.1s all ease;
}

.row{
    display: grid;
    grid-template-columns: 1fr 1fr 2fr;
}

#input{
    display: flex;
    padding: 10px;
    justify-content: space-around;
}
button {
  transition: background-color 0.3s ease, color 0.3s ease;
}

button:hover {
  background-color: #555;
  color: #fff;
  transform: scale(1.1);
}

button:active {
  transform: scale(0.9);
}

/* ...existing styles... */
#size{
    margin-right: 20px;
}
input[type="range"] {
    width: 100%;
    margin-top: 10px;
    height: 10px;
    background-color: transparent;
    border: none;
  }
  
  input[type="range"]::-webkit-slider-runnable-track {
    width: 100%;
    height: 2px;
    background-color: #f2f2f2;
    border-radius: 10px;
  }
  
  input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: #333;
    cursor: pointer;
    box-shadow: 0px 0px 5px rgba(0, 0, 0, 0.3);
  }
  
  input[type="range"]::-moz-range-track {
    width: 100%;
    height: 2px;
    background-color: #f2f2f2;
    border-radius: 10px;
  }
  
  input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: #333;
    cursor: pointer;
    box-shadow: 0px 0px 5px rgba(0, 0, 0, 0.3);
  }
  
  /* ...remaining styles... */