a:hover,
a:focus{
    text-decoration: none;
    outline: none;
}
.tab{ font-family: 'Montserrat', sans-serif; height :100vh; width: 95vw;}
.tab .nav-tabs{ border: none; }
.tab .nav-tabs li a{
    color: #131414;
    background: #F7F7F7;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    padding: 14px 30px 11px;
    margin: 0 0 1px 0;
    border: none;
    border-radius: 0;
    position: relative;
    transition: all 0.3s ease-in-out;
}
.tab .nav-tabs li a:hover,
.tab .nav-tabs li.active a,
.tab .nav-tabs li.active a:hover{
    color: #6d7ae0;
    background-color: #f7f7f7;
    border: none;
}
.tab .nav-tabs li a:before,
.tab .nav-tabs li a:after{
    content: '';
    background-color: #6d7ae0;
    height: 3px;
    width: 0;
    position: absolute;
    left: 0;
    bottom: -3px;
    transition: all 0.3s ease 0s;
}
.tab .nav-tabs li a:after{
    height: 45px;
    width: 45px;
    border-radius: 50%;
    transform: translateX(-50%) scale(0);
    transform-origin: bottom center;
    left: 50%;
    bottom: 0;
}
.tab .nav-tabs li.active a:before,
.tab .nav-tabs li a:hover:before{
    width: 100%;
}
.tab .nav-tabs li.active a:after,
.tab .nav-tabs li a:hover:after{
    opacity: 0;
    transform: translateX(-50%) scale(1);
}
.tab .tab-content{
    color: #999;
    background-color:transparent;
    font-size: 14px;
    letter-spacing: 1px;
    line-height: 25px;
    padding: 30px 25px 20px;
    border: 1px solid #e1e1e1;
}
@media only screen and (max-width: 479px){
    .tab .nav-tabs li{
        width: 100%;
        text-align: center;
    }
    .tab .nav-tabs li a:before{ bottom: 0; }
}