:root {
    --background-color: #fcf8f4;
    --to-do-list-color: #ffffff;
    --check-button-color: #1bc4cb;
    --button-hover: #00a6ac;
    --text-color: #161c20;
    --task-complet-color: #a09c98;
    --text-font: "Open Sans", sans-serif;
}

* {
    box-sizing: border-box;
}


body {
    display: flex;
    justify-content: center;
    align-items: center;
    background: var(--background-color);
}

.container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    
}

.task__form {
    position: relative;
    width: 100%;
    margin-bottom: 10px;
}

.task__input {
    border: solid 1px;
    border-radius: 17px;
    width: 100%;
    height: 35px;
    padding-right: 50px;
    padding-left: 10px;
    font-family: var(--text-font);
}

.add__button {
    position: absolute;
    right: 5px;
    top: 5px;
    background-color: var(--check-button-color);
    border: none;
    height: 25px;
    border-radius: 15px;
    color: var(--to-do-list-color);
    cursor: pointer;
    font-family: var(--text-font);
}

.add__button:hover {
    background-color: var(--button-hover);
}

.main__task__list {
    display: flex;
    flex-direction: column;
    width: 30em;
    border: solid 1px;
    border-radius: 10px;
    background-color: var(--to-do-list-color);
    text-align: center;
    padding: 10px 0;
    font-family: var(--text-font);
    
}

.task__list {
    display: flex;
    flex-direction: column;
    list-style: none;
    padding: 0;
    margin: 0;
}

.completed {
    text-decoration: line-through;
    opacity: 0.6;
}

li {
    display: flex;
    align-items: center;
    position: relative;

}

.checkbox {
    appearance: none;
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border: 2px solid var(--check-button-color);
    border-radius: 50%;
    cursor: pointer;
    position: relative;
}

.paragraph__date {
  font-size: 11px;
  color: gray;
  position: absolute;
  margin-left: 29em;
}

.checkbox:checked {
    background-color: var(--check-button-color);
}

.checkbox:checked::after {
    content: "✔";
    color: white;
    font-size: 14px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.delete__button {
    border: none;
    background-color: var(--background-color);
    cursor: pointer;
    font-family: var(--text-font);
    color: red;
    position: absolute;
    right: 0;
    padding-left: 5px;
}