style.css

.todo-centered {
    width: 95%;
    max-width: 800px;
    margin: auto;
}
todo-title {
    text-align: center;
}
todo-tabbed-panel > todo-tablist > a {
    text-decoration: none;
    color: black;
    padding: 10px;
    border: 1px solid black;
    cursor: pointer;
}
todo-tabbed-panel > todo-tablist:after, todo-task > todo-task-description:before, todo-tab-content:before {
    display: block;
	content: "";
    white-space: pre;
}
input[type="radio"] {
    cursor: pointer;
}
input[type="text"] {
    width: 100%;
}
textarea[type="text"] {
    width: 100%;
    height: 100px;
    margin-bottom: 20px;
}
todo-tasklist {
    display: flex;
    flex-direction: column;
}
todo-task {
    margin-bottom: 10px;
    padding: 10px;
    border-style: solid;
    border-width: 1px;
}
todo-task.todo-checked{
    background-color:lightcyan;
}
todo-task > todo-task-title {
    font-weight: bold;
}
todo-task.todo-checked > todo-task-title, todo-task.todo-checked > todo-task-description {
    text-decoration: line-through;
}
todo-task > .todo-task-checkbox{
    cursor: pointer;
    margin-top: 10px;
}
.todo-button-default {
    color: black;
    padding: 5px;
    text-align: center;
    font-size: 16px;
    margin: 4px 2px;
    cursor: pointer;
    border: 1px solid black;
    width: 100px;
    text-transform: uppercase;
}
.todo-button-default:hover {
    color: white;
    background-color: #333333;
}
todo-task > .todo-task-checkbox, todo-task > .todo-edit-button, todo-task > .todo-delete-button {
    float: right;
}
#radiofilter {
    text-align: right;
}
#searchbox {
    padding-top: 10px;
    padding-bottom: 10px;
    margin-bottom: 10px;
    font-size: 15px;
    font-weight: bold;
    width: 100%;
}