button{
    outline: none;
    cursor: pointer;
    display: block;
    position: relative;
    text-align: center;
    border: none;
    border-radius: 4px;
    background-color: #000000;
    color: #ffffff;
    padding: .75em 1.5em;
    font-family: monospace;
    font-size: 24px;
    font-weight: 400;
    line-height: 1;
    text-transform: lowercase;
    transition: all .3s ease;           
}

button:hover,
button:focus{
    text-shadow: 1px 1px 0px #00ff1f,
                -1px -1px 0px #ff0000,
                -1px 1px 0px #005aff;
    box-shadow: 2px 2px 0px #00ff1f,
                -2px -2px 0px #ff0000,
                -2px 2px 0px #005aff;
}