body{
    color: #52616b;
    font-family: 'Ubuntu', sans-serif;
    background-color: #c9d6df;
    padding: 0;
    margin: 0;
}
#header{
    min-height: 400px;
    background-image: url(img/bg1.jpg);
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    margin-top: -57px;
    padding-top: 100px;
}
hr{
    color: #52616b;
    width: 40%;
}
a{
    color: #52616b;
    text-decoration: none;
}
a:hover{
    text-decoration: none;
    color: #52616b;
    opacity: 0.75;
}
.border-right{
    border-right: 1px solid #c9d6df;
}
#footer{
    opacity: 0.5;
    color: #c9d6df;
    padding: 20px;
}
.bg-dark{
    transition: 500ms ease;
    color: #f0f5f9;
    background: transparent !important;
}
.bg-dark.scrolled{
    background: #52616b !important;
}
.btn{
    color: #52616a;
    border: 1px solid #52616b;
    background: linear-gradient(120deg,#52616b,#c9d6df,#c9d6df,#52616b);
    background-size: 200%;
    transition: .5s;
}
.btn-outline-secondary:hover{
    background-position: right;
}


/* change color */
.fa-instagram-square:hover{
    transition: 0.5s ease;
    color: #527fa4;
}
.fa-facebook-square:hover{
    transition: 0.5s ease;
    color: #3b5998;
}
.fa-twitter-square:hover{
    transition: 0.5s ease;
    color: #00aced;
}

/* hide scrollbar */
body::-webkit-scrollbar {
    display: none;
}