*{padding: 0; margin: 0; box-sizing: border-box;}
body{
    background-image: url(images/background.jpg);
    background-repeat: no-repeat;
    background-size: cover;
}

.container{
    height: 100vh;
    background-color: white;
    box-shadow: rgba(0, 0, 0, 0.17) 0px -23px 25px 0px inset, 
    rgba(0, 0, 0, 0.15) 0px -36px 30px 0px inset, 
    rgba(0, 0, 0, 0.1) 0px -79px 40px 0px inset, 
    rgba(0, 0, 0, 0.06) 0px 2px 1px, 
    rgba(0, 0, 0, 0.09) 0px 4px 2px, 
    rgba(0, 0, 0, 0.09) 0px 8px 4px, 
    rgba(0, 0, 0, 0.09) 0px 16px 8px, 
    rgba(0, 0, 0, 0.09) 0px 32px 16px;
}

h1{
    font-weight: bold;
    margin-bottom: 30px;
}
.input-area{
    margin-bottom: 20px;
}

.inputStyle{
    width: 50%;
    height: 40px;
    border: 1px solid skyblue;
}

.addBtn{
    width: 40px;
    height: 40px;
    border: none;
    background-color: rgba(162, 222, 255, 0.5);
}

.task-tabs{
    display: flex;
    align-items: center;

    position: relative;

    border: 1px solid skyblue;
    text-align: center;
}

#under-line{
    height: 4px;
    background-color: skyblue;
    position: absolute;
    width: 60px;
    left: 0px;
    top: 52px;
    padding: 0px;
}

.task-tabs div{
    padding: 1em;
    cursor: pointer;
}

.task{
    display: flex;
    justify-content: space-between;
    align-items: center;
    

    border: 1px solid skyblue;
    padding: 0px 0px;
}
.task-ndone{
    width: 80%;
    padding: 15px 10px;
}
.task-done{
    text-decoration: line-through;
    background-color: rgb(144, 144, 144);
    width: 80%;
    padding: 15px 10px;
}

.checkBtn{
    width: 50px;
    height: 50px;

    border: none;
    background-color:transparent;
    color: green;
    font-weight: bold;
    font-size: 20px;
}

.checkBtn:hover{
    background-color: rgba(9, 255, 0, 0.3);
    transition: 0.7s;
}

.trashBtn{
    width: 50px;
    height: 50px;

    border: none;
    background-color:transparent;
    color: red;
    font-weight: bold;
    font-size: 20px;
}

.trashBtn:hover{
    background-color: rgba(255, 0, 0, 0.3);
    transition: 0.7s;
}

@media screen and (max-width:767px) {
    .checkBtn{
        width: 30px;
        height: 30px;
    
        border: none;
        background-color:transparent;
        color: green;
        font-weight: bold;
        font-size: 15px;
    }

    .trashBtn{
        width: 30px;
        height: 30px;
    
        border: none;
        background-color:transparent;
        color: red;
        font-weight: bold;
        font-size: 15px;
    }
}
@media screen and (max-width:425px) {
    .checkBtn{
        width: 20px;
        height: 20px;
    
        border: none;
        background-color:transparent;
        color: green;
        font-weight: bold;
        font-size: 15px;
    }

    .trashBtn{
        width: 20px;
        height: 20px;
    
        border: none;
        background-color:transparent;
        color: red;
        font-weight: bold;
        font-size: 15px;
    }
}