* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', sans-serif;
}

.container {
    display: flex;
    flex-direction: row;
    padding: 10px;
}

.tasks {
    display: flex;
    flex-direction: column;
}

.wrapper {
    background-color: aquamarine;
    padding: 10px;
    border-radius: 10px;
    margin-bottom: 10px;
    display: inline-block;
}

/* Assignment 1 */
.headers {
    font-family: inherit, sans-serif;
    font-size: 22px;
    margin: 10px 0;
}

.button {
    margin-bottom: 10px;
    padding: 5px;
    border-radius: 10px;
    min-width: 100px;
    transition: .2s;
}

.button:hover {
    background-color: #000000;
    color: #ffffff;
    transform: translateY(-2px);
}

.text {
    font-family: inherit, sans-serif;
    font-size: 18px;
}

/* Assignment 2 */
#field {
    width: 500px;
    height: 500px;
    border: 10px solid black;
    background-color: #23c123;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    margin-left: 20px;
}

#ball {
    position: absolute;
    left: 0;
    top: 0;
    width: 40px;
    height: 40px;
    transition: all 1s;
}

/* Assignment 3 */
.menu ul {
    margin: 0;
    list-style: none;
    padding-left: 20px;
    display: none;
}

.menu .title {
    font-size: 18px;
    cursor: pointer;
}

.menu .title::before {
    content: '▶ ';
    color: green;
}

.menu.open .title::before {
    content: '▼ ';
}

.menu.open ul {
    display: block;
}

/* Assignment 5 */
.pane {
    display: flex;
    gap: 5px;
    align-items: center;
    padding: 5px;
    border: 3px solid #cccccc;
    border-radius: 5px;
    margin-bottom: 10px;
}

.remove-button {
    padding: 1px 5px;
    cursor: pointer;
}