* {
    box-sizing: border-box;
}

body {
    width: 100vw;
    height: 100vh;
    background-color: #f5f5f5;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    overflow: hidden;
    background-color: rgb(127, 193, 255);
}

.container {
    width: 50vw;
    padding: 30px 50px;
    margin: auto;
    background-color: white;
    margin: 20px auto;
    border: solid 3px #2a2a2a;
    box-shadow: 20px 25px 0 #2a2a2a55;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.hint {
    font-size: 1.25em;
}

.hint h3 {
    margin: 0;
    margin-bottom: 15px;
}

.btn-group {
    display: flex;
    flex-direction: column;
    margin-left: 20px;
    position: relative;
}

.btn {
    outline: none;
    padding: 10px 20px;
    border: solid 2px #2a2a2a;
    font-weight: 500;
    box-shadow: 5px 7px 0 #2a2a2a;
    border-radius: 5px;
    min-width: 100px;
}

.btn:hover {
    cursor: pointer;
    filter: brightness(90%);
}

.btn:focus {
    box-shadow: 2px 5px 0 #2a2a2a;
    filter: brightness(90%);
}

.start {
    background-color: #46ff6e;
}

.tabel-btn {
    background-color: #ffc107;
}

.btn:not(:last-child) {
    margin-bottom: 15px;
}

.items-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    grid-gap: 50px 30px;
    margin-top: 50px;
}

.item {
    text-align: center;
    text-transform: uppercase;
    font-size: 1.5em;
    font-weight: 800;
}

.tabel-warna {
    background-color: white;
    padding: 20px 30px;
    border: solid 2px #2a2a2a;
    font-weight: 500;
    box-shadow: 5px 7px 0 #2a2a2a;
    border-radius: 5px;
    min-width: 100px;
    max-width: 80vw;
    position: absolute;
    top: 105%;
    display: none;
}

.tabel-warna h3 {
    text-align: center;
    margin: 0;
    margin-bottom: 20px;
}

.warna-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-gap: 20px;
}

.warna {
    text-align: center;
    text-transform: uppercase;
    font-size: 1em;
    font-weight: 800;
}