html{
    --true-blue: #0466c8ff;
    --roman-silver: #7d8597ff;
    --manatee: #979dacff;
    --manatee-lighter: #c6cad2;

    font-family: Arial, Helvetica, sans-serif;
    font-family: 'Open Sans';
}

body{
    margin: 0px;
    padding: 0px;
    width: 100%;
}

input {
    border: 0;
    outline: 0;
    background: transparent;
    border-bottom: 2px solid var(--manatee);
    color: var(--manatee);
    font-size: medium;

    transition: border-bottom 0.2s ease-in-out;
    transition: color 0.2s ease-in-out;
}

input:focus{
    border-bottom: 2px solid white;
    color: white;
}

ul{
    padding: 0px;
}

li{
    list-style: none;
    padding-bottom: 1em;
}

.header{
    background-color: var(--true-blue);
    height: 5em;
    width: 100%;
    display: flex;
    align-items: center;
}

.header input{
    position: relative;
    height: 3em;
    width: 20%;
    text-align: center;
    margin: auto;
}

.complete .todo-item{
    background-color: var(--manatee);
    transition: background-color 0.2s ease-in-out;
}

.complete p{
    text-decoration: line-through;
}

.lower-bottom{
    position: fixed;
    margin-right: 10px;
    margin-bottom: 10px;
    right: 0;
    bottom: 0;

    height: 40px;
    width: 40px;
}

.lower-bottom button{
    color: white;
    background-color: var(--true-blue);
    height: 100%;
    width: 100%;
    text-align: center;
    vertical-align: middle;
    text-decoration: none;
    display: table-cell;
    border-radius: 50%;
    outline: 0;
    border: 0;
    font-size: medium;
    transition: color 0.2s ease-in-out;  
}

.lower-bottom button:hover{
    color: red;
}

.todo-item{
    display: flex;
    border: 1px solid black;
    border-radius: 1em;
    background-color: var(--manatee-lighter);
    width: 85%;
    margin:auto;
    box-shadow: 5px 5px 3px var(--roman-silver);
}

.todo-item input{
    height: 40px;
    width: 30px;
    margin-top: auto;
    margin-bottom: auto;
}

.todo-item p{
    padding-left: 1em;
}

.todo-item button{
    margin-left: auto;
    margin-right: 1em;
    background-color: transparent;
    border: 0;
    outline: 0;
    font-size: medium;
    transition: color 0.2s ease-in-out;
}

.todo-item button:hover{
    color: red;
}