/* CSS Boilerplate */
* {
  margin: 0;
  /* padding: 0; */
  box-sizing: border-box;
}
html ,body {
  height: 100%;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  background-color: #E3E9FF;
}

.div-cn{
    /* background-color: rgb(0, 253, 147); */
    width: 50%;
    text-align: center;
    padding: 20px;
}
.div-cn #text{
    height: 50px;
    width: 300px;
    font-size: 1.5vw;
}
.div-cn #submit{
    height: 50px;
    width: 10%;
} 
.checked{
  text-decoration: line-through;
  opacity: 0.6;
}
.unchecked{
  text-decoration: none;
  opacity: 1;
}
.cntainer{
  background-color: rgb(255, 255, 255);
  height: 500px;
  width: 500px;
}
button{
  background-color: #af7eeb;
  border: 1px solid grey;
  color: #fff;
  border-radius: 10px;
}
button:hover{
  background-color: #8839e9;
  border: 1px solid grey;
  color: #fff;
  border-radius: 10px;
  cursor: pointer;
}
#text{
  width: 800px;
}