body{

font-family:Arial;
background:#f2f2f2;

}

.container{

width:400px;
margin:30px auto;
background:white;
padding:20px;
border-radius:10px;

}

input,
select,
button{

width:100%;
padding:10px;
margin-top:10px;

}

.item{

padding:12px;
margin-top:10px;
background:#eee;
border-radius:8px;

}

.selesai{

text-decoration:line-through;
color:gray;

}