@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@200;300&display=swap');

body{
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: black;
    min-height: 100vh;
}

button{
    position: relative;
    font-size: 1.4em;
    font-weight: bold;
    font-family: 'Poppins', sans-serif;
    padding: .5em 1.4em;
    border: none;
    border-radius: 5px;
    outline: none;
    background-color: white;
    animation: all .5s linear;
    cursor: pointer;
    z-index: 1;
}

button:active{
    box-shadow: 0  5px 10px rgba(130, 88, 159, .3);
    transform: scale(.95);
}

.bubble{
    position: absolute;
    top: calc(50% - 10px);
    left: calc(50% - 10px);
    border-radius: 50%;
    border: 1px solid white;
    background-color: transparent;
    width: 20px;
    height: 20px;
    transition: 1s linear;
    z-index: -1;
}

.bubble.full{
    background-color: white;
}