style.css

  @import url('https://fonts.googleapis.com/css2?family=Poppins:wght@200;300;400;500;600&display=swap');

  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
  }
  
  body {
    background: #E3F2FD;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }
  h1{
    margin: 25px;
  }
  .container {
    background-color: white;
    width: 30%;
    border-radius: 17px ;
    min-height: 50vh;
    padding: 20px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);

  }
  form{
    display: flex;
    flex-direction: column;

  }
  form > *{
    padding: 10px;
    margin: 10px;
    border: 1px solid rgba(0, 0, 0, 0.2);
    font: 400 .8rem Poppins;
    outline: none;
    border-radius: 0.8rem;
  }
  
  #description{
    resize: none;
  }
  .btn{
    display: flex;
    justify-content: center;
    border: transparent;
  }
  button{
    cursor: pointer;
    background-color: #292424;
    width: 50%;
    height: 43px;
    border: none;
    color: white;
    border-radius: 0.8rem;
    font-size: 0.8rem;
    transition: 0.3s;
  }
  button:hover{
    background-color: #7f72da;
  }

  .task{
    background-color: rgb(237,237,237);
    font: 300 0.8rem sans-serif;
    padding: 25px;
    display: flex;
    align-items: center;
    border-radius: 5px;
    margin: 1vmax;
  }
  .task div{
    width: 100%;
  }
  .task span{
    color: rgba(0, 0, 0, 0.632);
  }
  .deleteBtn{
    border-radius: 100%;
    width: 25px;
    height: 23px;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: crimson;
  }