styles.css

@import url('https://fonts.googleapis.com/css2?family=Nova+Oval&display=swap');
*{
    background-color: black;
    color: white;
    font-size: 22px;
    font-family: 'Nova Oval', cursive;
}

.main h1 {
    text-align: center;
    color: #70fdf1;
    font-size: 38px;
}

.main h3 {
    text-align: center;
}

.expense-form {
    display: flex;
    flex-flow: row;
    justify-content: space-evenly;
    margin: 60px;
}

.field{
    position: relative;
}

label {
    background: #323645;
    font-weight: normal;
    color: #8E909D;
    font-size:  0.875rem;
    line-height: 1.3125rem;
    position: absolute;
    left: 20px;
    top: 12px;
  }
  
  input[type=text] {
    background: #323645;
    border-radius: 16px;
    padding:  35px 20px 15px;
    border: 2px solid transparent;
    height: 85px;
    width: 250px;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
    color: white;
    font-size:  1rem;
    outline: none;
  }
  
  input[type=text]:focus {
    border: 2px solid #70fdf1;
  }
  
  input[type=text]:focus + label {
    color: #70fdf1;
  }
  
button {
    outline: none;
    border-radius: 30px;
    background-color: #70fdf1;
    color: #323645;
    padding: 10px;
    height: 60px;
    width: 220px;
    font-size: 18px;
    font-weight: bolder;
    cursor: pointer;
}

.expense-list {
    display: flex;
    flex-flow: column;
    justify-content: space-between;
    align-items: center;
}

.split-section {
    display: flex;
    flex-flow: row;
    justify-content: space-evenly;
}