*{
    margin: 0px;
    padding: 0;
    box-sizing: border-box;
}

header{
    width: 100%;
    height: auto;
}

nav{
    background:#0b0b0b;
    margin: 0px auto;
    overflow: hidden;
    width: 100%;
    border: 0px;
}

.logo-section{
    float: left;
    padding: 18px;
    font-family: serif;
}

.hb-button{
    float: right;
    background: #222;
    color: #ffffff;
    border: none;
    font-size: 18px;
    padding: 5px 10px;
    border-radius: 3px;
    cursor: pointer;
    display: none;
}

nav a{
    text-decoration: none;
    color:rgba(192,56,116,1);
    font-size: 20px;
    padding: 5px;
}

nav a:hover {
    color: rgba(192,56,116,1);
    border-bottom:2px dashed rgba(192,56,116,1);
}

nav ul{
    overflow: hidden;
    color:rgba(192,56,116,1);
    margin: 0;
    padding: 0;
    text-align: center;
    transition: max-height 0.5s;
    -webkit-transition: max-height 0.5s;
    -moz-transition: max-height 0.5s;
    -ms-transition: max-height 0.5s;
    -o-transition: max-height 0.5s;
}

nav ul li{
    float: right;
    display: inline-block;
    padding: 20px;
}

li > a{
    position: relative;
    color: rgba(192,56,116,1);;
    text-decoration: none;
    
}

li > a:hover{
    color: rgba(192,56,116,1);
    border-bottom: 2px dashed rgba(192,56,116,1);
}

li > a:before{
    content:"";
    position: absolute;
    width: 100%;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: #000;
    visibility: hidden;
    -webkit-transform: scaleX(0);
    transform: scaleX(0);
    -webkit-transition: all 0.3s ease-in-out 0s;
    transition: all 0.3s ease-in-out 0s;
}

@media screen and (max-width: 768px){
    .logo-section{
        float: none;
    }
    nav ul{
        background: #ffffff;
        max-height: 0;
        width: 100%;
    }
    nav ul.show{
        max-height: 20em;
    }
    nav ul li{
        box-sizing: border-box;
        width: 100%;
        padding: 15px;
    }
    .hb-button{
        display: inline;
    }
}