a, a:visited {
-webkit-transition: 0.5s ease;
transition: 0.5s ease; 
}

a:hover, a:visited:hover {
color: #5fd6d6 !important;
-webkit-transition: 0s ease;
transition: 0s ease; 
border-bottom: none !important; 
    -webkit-box-shadow: none !important;
    -moz-box-shadow: none !important;
    box-shadow: none !important;
}