.center{
    text-align: center;
}

.medieval-button {
    position: relative;
    background-color: #000000;
    padding: 15px 30px;
    font-size: 20px;
    font-weight: bold;
    cursor: pointer;
    border-radius: 15px;
    border-style: solid;
    overflow: hidden;
    z-index: 1;
}

.medieval-button::before {
    content: "";
    position: absolute;
    top: -40%;
    left: -10%;
    height: 180%;
    width: 0;
    border-radius: 100%;
    background-color: #420505;

    transition: all 750ms 0.3s;
}

.medieval-button:hover::before {
    width: 120%;
    height: 180%;
    transition: all 750ms 0.7s;
}

.button-text {
    position: relative;
    z-index: 2;
    color: white;
}

.sword {
    position: absolute;
    top: 50%;
    right: -100%;
    transform: translateY(-50%);
    transition: right 0.5s ease;
    z-index: -1;
    height: 40px;
}

.medieval-button:hover .sword {
    right: calc(25%);
}