.exc {
    min-height: 300px;
}

/* animated button */

#button-link { 
    perspective: 600px;
    
    /* border: 1px solid red; */
    margin: 50px auto;
    display: table;

}
    

#button-link a {
    display: block;

    border: 1px solid #49a5bf;
    padding: 20px;
    text-decoration: none;
    color: white;
    background: linear-gradient(to bottom, rgba(147,206,222,1) 0%, rgba(117,189,209,1) 41%, rgba(73,165,191,1) 100%);
    border-radius: 8px;
    box-shadow: 2px 3px 1px 0px rgba(63,137,158,1), 1px 4px 7px 3px rgba(13,17,18,0.48);

    font-family: 'Raleway', sans-serif;
    font-size: 30px;
    /* font-weight: light; */
    
    transition: 1s;
    opacity: 0.8;

    transform: rotatex(7deg) translateZ(4px);
}

#button-link a:hover {
    opacity: 1;
    transition: 0.2s;
    transform: rotateX(13deg) translateZ(-1px);


}

#button-link a:active {
    transition: 0.3s;
    box-shadow: 2px 3px 1px 0px rgba(63,137,158,1), 1px 4px 3px 2px rgba(13,17,18,0.6);
    position: relative;
    /* top: 3px; */
    
    transform: rotateX(17deg) translatez(-7px);


}