*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}
body{
    background-image:linear-gradient(120deg,#610094,#150050,#000000);
    color:white;
    font-family:"Poppins",sans-serif;
    min-height:100vh;
}

header{
    font-size:1.5rem;
}

header,
form{
    min-height:20vh;
    display:flex;
    justify-content:center;
    align-items:center;
}
form input,
form button{
    padding:0.5rem;
    font-size:2rem;
    border:none;
    background:white;
}

form button{
    color:#3F0071;
    background:white;
    cursor:pointer;
    transition:all 0.3s ease;
}
form button:hover{
    background:#3F0071;
    color:white;
}
.todo-container{
    display:flex;
    justify-content:center;
    align-items:center;
}
.todo-list{
    min-width:30%;
    list-style:none;
}
.todo{
    margin:0.5rem;
    background:white;
    color:black;
    font-size:1.5rem;
    display:flex;
    justify-content:space-between;
    align-items:center;
    transition:all 0.5s ease;
}
.todo li{
    flex:1;
}
.trash-btn,
.complete-btn{
    background:#3F0071;
    color:white;
    border:none;
    cursor:pointer;
    font-size:1rem;
    padding:1rem;
}
.complete-btn{
    background:green;
}
.trash-btn{
    background:red;
}
.todo-item{
    padding:0rem 0.5rem;
}
.fa-trash,
.fa-check{
    pointer-events:none;
}
.completed{
    text-decoration:line-through;
    opacity:0.5;
}
.fall{
    transform:translateY(8rem) rotateZ(20deg);
    opacity:0;
}

select{
    -webkit-appearence:none;
    -moz-appearence:none;
    appearance:none;
    outline:none;
    border:none;
}
.select{
    margin:1rem;
    position:relative;
    overflow:hidden;
}
select{
    color:#3F0071;
    width:10rem;
    cursor:pointer;
    padding:1rem;
}
.select::after{
    content:"\25BC";
    position:absolute;
    background:#3F0071;
    top:0;
    right:0;
    padding:1rem;
    pointer-events:none;
    transition:all 0.3s ease;
}
.select:hover::after{
    background:white;
    color:#3F0071;
}