@import url('https://fonts.googleapis.com/css?family=Lato&display=swap');

:root {
    --border-color: #e3e5e4;
    --background-color: #c3c7ca;
    --text-color: #34444f;
}

* {
    box-sizing: border-box;
}
body {
    background-color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    height: 100vh;
    margin: 0;
    font-family: 'Lato', sans-serif;
}

.draggable-list {
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 0;
    list-style-type: none;
}
.draggable-list li {
    background-color: #fff;
    display: flex;
    flex: 1;
}
.draggable-list li:not(:last-of-type) {
    border-bottom: 1px solid var(--border-color);
}
.draggable-list .number {
    background-color: var(--background-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    height: 60px;
    width: 60px;
}
.draggable-list li.over .draggable {
    background-color: #eaeaea;
}
.draggable-list .person-name {
    margin: 0 20px 0 0;
}
.draggable-list li.right .person-name {
    color: #3ae374;
}
.draggable-list li.wrong .person-name {
    color: #ff3838;
}
.draggable {
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px;
    flex: 1;
}
.check-btn {
    cursor: pointer;
    background-color: var(--background-color);
    border: none;
    color: var(--text-color);
    font-size: 16px;
    padding: 10px 20px;
}
.check-btn:active {
    transform: scale(0.98);
}
.check-btn:focus {
    outline: none;
}