:root {
    --sec-width: 1500px;
    --back-color: #383736;
    --sec-color: gray;
    --text-color: white;
    --color-but1: #A5C9CA;
    --color-but2: #395B64;
    --ball-size: 80px;
    --ball-counter: 0;
}

@media only screen and (max-width: 768px) {
    :root {
        --ball-size: 60px;
    }
    .grab_ball button {
        font-size: 2.6em !important;
        margin: 26px !important;
    }
}

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

.display_center {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}

body {
    min-height: 100vh;
    color: var(--text-color);
    font-family: Sans-serif, serif;
    background: var(--back-color);
}

img, picture, svg, video {
    display: block;
    max-width: 100%;
}

.vert_center {
    margin-left: auto;
    margin-right: auto;
}

a {
    color: inherit;
    text-decoration: none;
}

.full_screen {
    width: 100vw;
    height: 100vh;
}

.start_screen {

}

.start_screen h1 {
    font-size: 10rem;
    padding-bottom: 10px;
}

.hidden {
    display: none;
}

.play_screen {
    max-width: 1500px;
    min-height: 100vh;
}

.balls {
    width: 100%;
    padding: 10px;
    display: flex;
    flex-wrap: wrap;
    gap: 17px;
    justify-content: center;
}

.ball {
    background-color: white;
    color: black;
    font-weight: bold;
    font-size: 2rem;
    border-radius: 50%;
    width: var(--ball-size);
    height: var(--ball-size);
}

.ball .inside {
    text-align: center;
}

.grab_ball {
    display: flex;
    justify-content: center;
}

.grab_ball button {
    font-size: 3em;
    margin: 55px;
}

button{
    align-items: center;
    appearance: none;
    background-color: #FCFCFD;
    border-radius: 4px;
    border-width: 0;
    box-shadow: rgba(45, 35, 66, 0.4) 0 2px 4px,rgba(45, 35, 66, 0.3) 0 7px 13px -3px,#D6D6E7 0 -3px 0 inset;
    box-sizing: border-box;
    color: #36395A;
    cursor: pointer;
    display: inline-flex;
    font-family: "JetBrains Mono",monospace;
    justify-content: center;
    line-height: 1;
    list-style: none;
    overflow: hidden;
    padding-left: 16px;
    padding-right: 16px;
    text-align: left;
    text-decoration: none;
    transition: box-shadow .15s,transform .15s;
    user-select: none;
    -webkit-user-select: none;
    touch-action: manipulation;
    white-space: nowrap;
    will-change: box-shadow,transform;
    font-size: 18px;
}

button:active {
    box-shadow: #D6D6E7 0 3px 7px inset;
    transform: translateY(2px);
}