html, body {
    background-color: #fff;
    color: #636b6f;
    font-family: 'Nunito', sans-serif;
    font-weight: 200;
    height: 100vh;
    margin: 0;
}

.full-height {
    height: 50vh;
}

.top-navi{
    height: 10vh;
}

.flex-center {
    align-items: center;
    display: flex;
    justify-content: center;
}

.position-ref {
    position: relative;
}

.top-right {
    position: absolute;
    right: 10px;
    top: 18px;
}

.top-left {
    position: absolute;
    left: 10px;
    top: 18px;
}

.title {
    font-size: 84px;
}

.links > a {
    color: #636b6f;
    padding: 0 25px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .1rem;
    text-decoration: none;
    text-transform: uppercase;
}

.m-b-md {
    margin-bottom: 30px;
}

.urlbox{
    padding: 5px 20px;
    background: #e1e7eb;
    border-radius: 5px;
    border: 1px solid #9ea7ab;
    font-size: 14px;
    color: #1280af; 
}

.urlbox:hover{
    background: #bfdcf1;
}

.urlbox:active{
    background: #94cdf9;
}

.add-text{
    margin: 5px 0px;
}

.tag-label{
    margin: 0 5px 0 0;
    padding: 3px 20px;
    background: #ececec;
    border: 1px solid #b3b3b3;
    border-radius: 3px;
    font-size: 12px;
    text-decoration: none;
    color: #4c4c4c;
}

.tag-label:hover{
    background: #fcfcfc;
}

.btn-transparent{
    border-style:none;
    color:red;
    background:transparent;
}