body {
    margin: 0;
    display: flex;
    height: 100vh;
    background-color: greenyellow;
    justify-content: center;
}
.form{
  position: absolute;
  top: 30%;
  box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.3);
  width: 400px;
  background-color: yellow;
  border-radius: 10px;

}
.inp{
    width: 100%;
    box-sizing: border-box;
    padding: 20px;
    border: none;
    border-radius: 10px 10px 0 0;
    font-size: 20px;
    font-family: cursive;
    outline: none;

}
.inp::placeholder{
    color: gray;
}
.list{
    margin: 0;
    padding: 0;
}
.list li{
    list-style-type: none;
    padding: 20px;
    border-top: 1px dotted;
    border-color: darkgray;
    font-family: cursive;
    font-size: 18px;
    position: relative;
}

.list li .fa-trash{
    position: absolute;
    right: 10px;
    color: red;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    
}
.list li .fa-square-check{
    position: absolute;
    right: 40px;
    color: green;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;

}
.list li.check{
    color: darkgray;
    text-decoration: line-through;
}
.list li.check .fa-square-check{
    color: darkgray;
}