index.css

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Courier New', Courier, monospace;
}

body {
    background-color: rgb(0, 0, 0);
    min-width: 700px;
}

h1 {
    color: white;
    margin: 0;
}

#header {
    display: flex;
    justify-content: space-around;
    align-items: center;
    min-width: 500px;
    height: 10vh;
    background-color: rgb(0, 0, 0);
}

img {
    height: 70%;
}

#main {
    display: flex;
}

.container {
    padding: 1em;
    width: 73vw;
    background-color: rgb(0, 0, 0);
    order: 1;
}

#aside {
    width: 25vw;
    min-height: 90vh;
    background-color: rgb(33, 35, 35);
    border-radius: .5em;
}

.statusBar {
    display: flex;
    justify-content: space-evenly;
    background-color: rgb(135, 135, 135);
    border-radius: .5em;
    text-align: center;
}

.task {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: rgb(135, 135, 135);
    margin: .5em 0;
    padding: .7em 1em;
    border-radius: .5em;
}

input {
    background-color: rgb(255, 255, 255);
    min-width: 20%;
    max-width: 90%;
    border: none;
    border-radius: .5em;
    text-align: center;
    margin: 1em;
    font-size: .9rem;
}

.number {
    font-size: 2em;
}

.box {
    padding: .6em;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.footer {
    margin: 1em;
    display: flex;
    justify-content: right;
}

.buttonArea {
    display: flex;
    margin: 1em;
    justify-content: space-between;
}

.tabs {
    color: white;
    display: flex;
    justify-content: space-around;
    margin-top: 1em;
}

.tab {
    padding: 0 2em;
    padding-top: .5em;
    border-top-left-radius: .5em;
    border-top-right-radius: .5em;
}

.selected {
    background-color: rgb(33, 35, 35);
}

.list {
    border-radius: .5em;
    background-color: rgb(33, 35, 35);
    padding: 1em;
}

button {

    border-radius: .5em;
    padding: .5em .7em;
}