body {
    margin: 0;
    background-color: #000;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.call-circle {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
}

.call-button {
    background: linear-gradient(to right, #1e90ff, #00ffff);
    border-radius: 50%;
    width: 140px;
    height: 140px;
    border: none;
    cursor: pointer;
    color: white;
    font-weight: bold;
    font-size: 14px;
    box-shadow: 0px 0px 15px rgba(0, 255, 255, 0.5);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.call-button:hover {
    box-shadow: 0px 0px 25px rgba(0, 255, 255, 0.8);
}