body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: rgb(255, 166, 0);
    overflow: hidden;
}

.oval {
    margin-top: -6.2%;
    position: absolute;
    width: 204px;
    height: 52px;
    background: black;
    border-radius: 102px / 26px;
    z-index: 100;
}

.oval2 {
    left: 50%;
    transform: translateX(-50%);
}

.oval3 {
    right: 50%;
    transform: translateX(-50%);
}

.beaver {
    transition: 2s;
    left: 50%;
    transform: translateX(-50%);
}

.s {
    position: absolute;
    top: 5%;
    font-size: 30px;
}

.invis {
    z-index: 99;
    bottom: 0;
    position: absolute;
    width: 100%;
    height: 55%;
    background-color: rgb(255, 166, 0);
}