body {
    font-family: "Times New Roman", serif;
    background-color: white;
    margin: 20px;
}

h1 {
    color: #232a27;
    margin-bottom: 10px;
}

#opilaneList {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

#opilaneList button {
    background-color: #62B58D;
    color: white;
    border: none;
    padding: 12px   ;
    font-size: 16px;
    border-radius: 10px;
    cursor: pointer;
    transition: 0.3s;
}

#opilaneList button:hover {
    background-color: #2DCC80;
    transform: scale(1.05);
}

.background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("froggif.gif") no-repeat center center fixed;
    background-size: cover;
    z-index: -1;
    user-select: none;
    pointer-events: none; /* мышка проходит сквозьфон */
}