.mud {
    text-align: center;
    font-size: 28px;
    padding-top: 22px;
    background-color: #684513;
    color: rgba(255, 255, 255, 0.21);
    opacity: 0;
}

.button {
    width: 12%;
    height: 35px;
    box-shadow: inset;
    outline: none;
    border-width: 2px;
    border-style: solid;
    border-radius: 10%;
    left: 46%;
    top: 27%;
    font-size: 12px;
    font-weight: normal;
    display: block;
    margin-left: auto;
    margin-right: auto;
    margin-top: 16px;
}

.button:hover,
active {
    box-shadow: inset 0px 0px 4px #000000;
}