main.css

@font-face {
    font-family: mvfont;
    src: url(font.ttf);
}

body {
    margin: 0;
    padding: 0;
    background-color:  #333;
    color: whitesmoke;
    font-family: mvfont;
}

/* list */
ul {
    margin-top: 50px;
    background-color: rgb(32, 118, 152);
    margin-left: 250px;
    margin-right: 40px;
    border-radius: 15px;
    padding: 5px;
}
li {
    overflow: hidden;
    list-style: none;
    color: whitesmoke;
    padding: 6px;
}
li span {
    margin-left: 10px;
    display: inline-block;
    margin-top: 3px;
    vertical-align: top;
    width: calc(100% - 200px);
}
li span.true {
    text-decoration: line-through;
}
.checkbox {
    border: solid 2px whitesmoke;
    border-radius: 15px;
    cursor: pointer;
    width: 20px;
    height: 20px;
    display: inline-block;
}
.checkbox.true {
    background-color: whitesmoke;
}
li svg {
    margin-top: -5px;
    float: right;
    transition: 0.2s;
    cursor: pointer;
    padding: 8px;
    border-radius: 15px;
}
li svg:hover {
    background-color: rgba(25, 25, 25, 0.5);
}
.date {
    float: right;
    width: auto;
    margin-right: 10px;
}
.focused {
    display: none;   
}
.focused p {
    cursor: pointer;
}

hr {
    border: 1px solid #222;
}

input[type=text] {
    border: none;
    background-color: rgb(32, 118, 152);
    color: #222;
    padding: 10px;
    width: 200px;
    border-radius: 12px;
    outline: none;
}

button {
    background-color: rgb(32, 118, 152);
    border: none;
    font-size: 18px;
    color: #222;
    cursor: pointer;
    border-radius: 15px;
    padding: 10px 20px 10px 20px;
}

button:hover {
    transform: scale(1.07);
}

.action {
    float: left;
    margin-left: 5px;
    padding: 5px !important;
}

.sidebar svg {
    cursor: pointer;
    padding: 5px 7px 6px 7px;
    border-radius: 15px;
    transition: 0.2s;
}
.sidebar svg:hover {
    background-color: rgba(25, 25, 25, 0.5);
}

#keyboard {
    position: absolute;
    bottom: 10px;
    left: 10px;
}
#version {
    position: absolute;
    bottom: 22px;
    right: 15px;
}

#clock {
    background-color: rgb(32, 118, 152);
    position: absolute;
    top: 0;
    right: 0;
    padding: 6px;
    border-bottom-left-radius: 15px;
    text-align: center;
}

.sidebar {
    text-align: center;
    position: absolute;
    background-color: rgb(32, 118, 152);
    height: 100%;
    width: 200px;
    left: 0;
    top: 0;
}
.sidebar p {
    margin-left: 50%;
    transform: translate(-50%);
    width: max-content;
    cursor: pointer;
    padding: 5px 10px 5px 10px;
    border-radius: 15px;
    transition: 0.2s;
}
.sidebar p:hover {
    background-color: rgba(25, 25, 25, 0.5);
}
.selected {
    text-decoration: underline;
}

/* new item button */
#new {
    position: absolute;
    background-color: rgb(32, 118, 152);
    bottom: 0px;
    right: 0px;
    width: 50px;
    height: 50px;
    border-top-left-radius: 15px;
}
#new svg {
    padding: 3px;
    border-radius: 15px;
    transition: 0.2s;
    margin-top: 5px;
    margin-left: 5px;
    cursor: pointer;
}
#new svg:hover {
    background-color: rgba(25, 25, 25, 0.5);
}

/* new item popup */
#popup {
    display: none;
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    backdrop-filter: blur(10px);
    background: #ffffff2d;
}
#popup select {
    border: none;
    background: rgb(32, 118, 152);
    color: #222;
    padding: 10px;
    border-radius: 15px;
    outline: none;
    -webkit-appearance: none;
    width: 160px;
}
#popup div {
    border-radius: 15px;
    background-color: #444;
    height: auto;
    width: 280px;
    margin-top: 80px;
    margin-left: 50%;
    transform: translate(-50%);
    padding: 30px;
    text-align: center;
}
#popup div input {
    margin: 4px 2px 4px 2px;
}
#popup div input::placeholder {
    color: #222;
}
#popup div button {
    position: relative;
    top: calc(100% - 100px);
}
#date-input {
    display: none;
}
#date-input input {
    margin: 0;
    display: inline-block;
    border: none;
    background-color: rgb(32, 118, 152);
    color: #222;
    padding: 10px;
    width: 80px;
    border-radius: 12px;
    outline: none;
}