*{
    box-sizing: border-box;
    font-family:Arial, Helvetica, sans-serif;
}

body{
    width:100%;
}
.header, .main, .footer {
    display: block;
    padding:10px 50px;
}
.headerContent, .mainContent, .footerContent {
    width: 100%;
    margin: auto;
}

.header, .footer{
    background-color: #005b5b; 
}

.logo{
    color:#e2e2e2;
    font-size:2em;
}

.search{
    margin:auto;
    margin-top:10px;
}

input[type='textbox']{
    height:30px;
    width:100%;
    padding:5px;
}

input[type='checkbox']{
    width:30px;
    height: 30px;
}

input:active, input:focus{
    border-color:#294999;
}

input::placeholder{
    color:black;
    font-size:16px;
}

.addButton{
    background-color: #20b050;
    color:#fff;
    width: 100%;
    margin:1px 0;
}

.deleteButton{
    background-color: rgb(255, 130, 80);
}

.deleteButton:hover{
    background-color: rgb(151, 16, 16);
}

.completeButton{
    background-color: #344779;
    color:#fff;
}


.reset, .undo{
    width:100%;
    margin:1px;
}
.completeButton, .completeButton:hover, .completeButton:active, .completeButton:focus{
    font-size: 16px;
}

.completeButton:hover{
    background-color: #091b47;
}
.addButton:hover{
    background-color: #206030;
}

button, button:hover, botton:active, button:focus{
    border:none;
    outline: none;
    min-width: 30px;;
    height: 30px;
    font-size: 20px;
}

.addItems{
    padding-top:10px;
    position: relative;
}

.addItemInputContainer{
    /* display: inline-block; */
    position: relative;
    width:100%;
}

.displayItems, renderItems{
    position: relative;
    clear:both;
}

.item{
    margin:5px 0;
    border:1px solid #737373;
}

.itemCheckbox, .itemDesc, .itemDate, .itemButtonsContainer{
    display: inline;
}

.itemCheckbox{
    position: absolute;
}

.itemDesc{
    margin-left:40px;
    margin-right:40px;
    min-height: 35px;
    line-height: 35px;
}

.error{
    background-color: rgb(250, 145, 145);
    color:red;
    padding:5px;
    font-weight: 700;
    display: none;
}

.itemDescription{
    margin-left:50px;
    margin-right: 100px;
    padding-top: 5px;
}

.checkboxContainer{
    position: absolute;
}

.displayButtonContainer{
    position: absolute;
    top:10px ;
    right: 10px;
}

.itemContainer, .displayItemsHeader{
    position: relative;
    min-height: 50px;
    padding:5px;
    margin-top:5px;
}
.displayItemsHeader{
    background-color: #555;
    color:#eee;
}

.itemContainer:nth-child(2n){
    background-color:#bbfad0;
}
.itemContainer:nth-child(2n+1){
    background-color:#a3b6cf;
}

#displayTotalNumberOfTasks{
    color:#fff;
}

@media (max-width:880px){
    button{
        width:100%;
        margin:1px;
    }
    .checkboxContainer{
        margin-bottom: 10px;
    }
    .itemDescription{
        margin-bottom:10px;
    }
}