style.css

* {
  margin: 0;
}
body {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
}
#canvas-container {
  width: 100%;
  height: 100vh;
}

.dt-control-container {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  border-top-right-radius: 8px;
  border-top-left-radius: 8px;
  border: 1px solid #404040;
  border-bottom: 1px solid transparent;
  background: #222222;
  display: flex;
  align-items: center;
  padding: 12px;
}
.dt-dc-container {
  border-left: 1px solid #404040;
  border-right: 1px solid #404040;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 0.4rem;
}
.dt-default-colors {
  position: relative;
  border-radius: 50%;
  width: 28px;
  height: 28px;
  border: solid 2px transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.dt-default-colors div {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  box-sizing: border-box;
  box-shadow: none;
}
.dt-cp-container {
  width: 28px;
  height: 28px;
  border: solid 2px transparent;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 0.4rem;
}
.dt-color-picker {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: radial-gradient(50% 50% at 50% 50%, #ffffff 0%, transparent 100%),
    conic-gradient(
      from 0deg at 50% 50%,
      #ff0000 0deg,
      #ffa800 47.73deg,
      #ffff00 79.56deg,
      #00ff00 121.33deg,
      #00ffff 180.99deg,
      #0000ff 238.67deg,
      #ff00ff 294.36deg,
      #ff0000 360deg
    ),
    #c4c4c4;
  transform: rotate(105deg);
}

.hide {
  display: none;
}

.dt-tools-container {
  position: relative;
  width: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.dt-tools-container img {
  position: absolute;
  max-height: 70px;
  bottom: -25px;
  transition: all 0.2s;
  cursor: pointer;
}

.dt-tools-container img:hover {
  bottom: -10px;
  opacity: 0.8;
  transform: scale(1.1);
}
#size {
  width: 35px;
  height: 30px;
  margin: 0 0.8rem;
  border: none;
  border-radius: 4px;
  background: #3d3d3d;
  color: #fff;
  font-size: 18px;
  font-weight: 500;
  -moz-appearance: textfield;
}
#size::-webkit-outer-spin-button,
#size::-webkit-inner-spin-button {
  -webkit-appearance: none;
}

.dt-undo-redo-container {
  display: flex;
  align-items: center;
  justify-content: center;
  border-left: 1px solid #404040;
  padding: 0 0.8rem;
}

.dt-undo-redo-container img {
  width: 18px;
  cursor: pointer;
}
.dt-download-container {
  border-left: 1px solid #404040;
  padding: 0 0.8rem;
}
.dt-download-container img {
  width: 18px;
  cursor: pointer;
}
#redo {
  margin-left: 0.8rem;
}