body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #00000C;
}

.button-container {
    display: flex;
    gap: 20px;
}

.button {
    position: relative;
    width:30px;
    height:30px;
    font-size: 16px;
    cursor: pointer;
    background: radial-gradient(circle, rgba(14,206,223,1) 0%, rgba(0,0,0,1) 100%);
    border:2px solid #00FFCC;
    border-radius:5px;
}

.button:hover{
    background-color:#0000FF;
    border-radius:15px;
    color:#FFFFFF;
}

.goutte {
    position: absolute;
    border-radius: 50%;
    background-color: #00FFCC;
    opacity: 0.8;
    pointer-events: none;
}

@keyframes expulse {
    0% {
        transform: translate(0, 0) scale(1);
        opacity: 1;
    }
    100% {
        transform: translate(var(--x), var(--y)) scale(0.5);
        opacity: 0;
    }
}