p a {
    padding-bottom: 0.05em;
    border-bottom-width: 1px;
    border-bottom-style: solid;
    border-bottom-color: rgba(29,29,29,.3);
    -webkit-transition: border-color .15s ease-out,color .15s ease-out;
    -moz-transition: border-color .15s ease-out,color .15s ease-out;
    -ms-transition: border-color .15s ease-out,color .15s ease-out;
    -o-transition: border-color .15s ease-out,color .15s ease-out;
    transition: border-color .15s ease-out,color .15s ease-out;
}