styles.css

@import url('https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,100;0,300;0,400;0,500;0,700;0,900;1,100;1,300;1,400;1,500;1,700;1,900&display=swap');

body {
  background-color: #ddd;
  margin: 0;
  font-family: 'Robot', sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
}

.container {
  position: relative;
  padding: 50px;
  background-color: antiquewhite;
  border-radius: 40px;
}

.textarea {

  width: 100%;
  display: flex;
  justify-content: center;
  margin-bottom: 2rem;
}

textarea {
  width: 100%;
  height: 150px;
  resize: none;
  padding: .5rem;
  font-size: 1.2rem;
  font-weight: bold;
  outline: none;
  border: 2px solid;
  border-radius: 0.5rem;
}

button {
  border: none;
  border-radius: 5px;
  background-color: rgb(59, 59, 59);
  color: white;
  cursor: pointer;
  width: 55px;
  height: 55px;
  
}

button:hover {
  opacity: 0.5;
}

.first-row, .second-row, .third-row, .fourth-row, .fifth-row {
  margin: 10px 0 0 0;
}

#colek {
  width: 40px;
}

.backspace, .enter {
  width: 120px;
}

.left-shift {
  width: 120px;
  padding-top: 10px;
} 

.right-shift {
  width: 160px;
  padding-top: 11px;
}

.tab {
  width: 80px;
}

#backslash {
  width: 80px;
}

.caps-lock {
  width: 100px;
}

#space {
  width: 600px;
  
}

#ctrl {
  width: 135px;
  padding-top: 11px;
}

.upper { text-transform: uppercase;}