#subNav {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 0;
}

#subNav li {
    position: relative;
    margin: 0 5px 10px;
    width: 400px;
    height: 50px;
    line-height: 50px;
    overflow: hidden;
}

#subNav li::after {
    /*background solid colour - remove if wanting see through*/
    /*background-color: #fafafa;*/
    background-color: #ecf0f1;
    content: "";
    width: 100%;
    height: 100%;
    display: inline-block;
    z-index: -2;
    position: absolute;
    top: 0;
    left: 0;
}

#subNav li:hover {
    border-color: #ff9900;
}

#subNav li i {
    position: absolute;
    left: 0;
    margin-right: 10px;
    box-sizing: border-box;
    vertical-align: top;
    display: inline-block;
    width: 50px;
    height: 50px;
    line-height: 50px;
    font-size: 30px;
    /*background-color: #95a5a6;*/
    background-color: #7f8c8d;
    color: #ffffff;
    z-index: -1;
    transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

#subNav li:hover i {
    background-color: #ff9900;
    width: 100%;
    transition-delay: 0.1s;
    padding-left: calc(100% - 50px);
    transition: all 0.5s cubic-bezier(0.165, 0.84, 0.44, 1);
}

#subNav li.medical:hover i {
    background-color: #27ae60;
}

#subNav li.security:hover i {
    background-color: #2980b9;
}

#subNav li.ride:hover i {
    background-color: #e87e04;
}

#subNav li a {
    /*position: absolute;*/
    left: 0;
    margin: 0;
    vertical-align: top;
    box-sizing: border-box;
    display: inline-block;
    width: 100%;
    height: 50px;
    line-height: 50px;
    font-family: 'Gill Sans', 'Open Sans', sans-serif;
    font-size: 17px;
    letter-spacing: 1px;
    font-weight: 300;
    text-decoration: none;
    text-transform: uppercase;
    text-align: left;
    word-break: break-all;
    /*color: #95a5a6;*/
    color: #7f8c8d;
    padding: 0 10px 0 60px;
    transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

#subNav li:hover a {
    color: #ffffff;
    cursor: pointer;
    transition-delay: 0.1s;
    padding: 0 10px;
    transition: all 0.5s cubic-bezier(0.165, 0.84, 0.44, 1);
}

@media only screen and (max-device-width: 480px) {
    #subNav li {
        width: 100%;
        margin: 5px 0;
    }
}