a.button {
    position: relative;
    display: inline-block;
    height: 50px;
    padding: 0 30px;
    border: 2px solid #ffffff;
    background: #1e1e1e;
    user-select: none;
    white-space: nowrap;
    transition: all 0.05s linear;
    font-family: inherit;
    text-decoration: none;
}

a.button:before,
a.button:after {
    content: "";
    position: absolute;
    background: #1e1e1e;
    transition: all 0.2s linear;
}

a.button:before {
    width: calc(100% + 6px);
    height: calc(100% - 16px);
    top: 8px;
    left: -3px;
}

a.button:after {
    width: calc(100% - 16px);
    height: calc(100% + 6px);
    top: -3px;
    left: 8px;
}

a.button:hover {
    cursor: crosshair;
}

a.button:active {
    transform: scale(0.95);
}

a.button:hover:before {
    height: calc(100% - 32px);
    top: 16px;
}

a.button:hover:after {
    width: calc(100% - 32px);
    left: 16px;
}

a.button span {
    font-size: 15px;
    z-index: 3;
    position: relative;
    font-weight: 600;
    text-align: center;
    display: block;
    line-height: 50px; /* Vertical centering for text */
}