style.css

* {
    margin: 0;
    padding: 0;
}

body{
    overflow-y: scroll;
    overflow-x: hidden;
}


.navbar{
    opacity: 0.96;
}

.navbar-brand{
    margin-left: 50px;
    font-family: 'Black Ops One', cursive;
}

.navbar-toggler:hover {
    color: #fff;
    background-color: #212121;
}





/* Header */
.header{
    background-image: url('/img/header.jpg');
    background-repeat: no-repeat;
    background-position: 50% 50%;
    background-size: cover;
    -moz-background-size: cover;
    -webkit-background-size: cover;
}

.header-overlay {
    background-color: rgba(31, 31, 31, 0.4);
}



.header-text{
    margin-top: 14rem;
    margin-bottom: 15em;
}

.header-text h1,h4{
    font-family: 'Black Ops One', cursive, 'Times New Roman', Times, serif;
}

/* Icons */
#icons{
border-top: 1px solid #2A9FD6;
border-bottom: 1px solid #2A9FD6;
}

#icons h3{
    font-family: 'Black Ops One', cursive; 
}



/* About */
.section-title{
    font-family: 'Black Ops One', cursive;
}

.section-title__underline{
    width: 5rem;
    height: .25rem;
}

.about-img{
    border: 2px solid #2A9FD6;
    border-radius: 10px;
    padding: 10px;
    transition: 0.3s ease-in-out;
}

.about-img:hover{
    border-radius: 15px;
    padding: 0px;
    border: 3px solid #2A9FD6;
}





/* Portfolio - Cards */
.card:hover{
    border: 1px solid #2A9FD6
}



.card-img-wrap {
    overflow: hidden;
    position: relative;
  }

.card-img-wrap:after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    opacity: 0;
  }

.card-img-wrap img {
    transition: transform .5s;
    width: 100%;
}

.card:hover img {
    transform: scale(1.1);
}




/* Contact */
.contact{
    background-image: url('/img/particles.jpg');
    background-repeat: no-repeat;
    background-position: 50% 50%;
    height: 450px;
    background-size: cover;
    -moz-background-size: cover;
    -webkit-background-size: cover;
    border-top: 1px solid #2A9FD6;
    border-bottom: 1px solid #2A9FD6;
}


.contact-overlay{
    background-color: rgba(31, 31, 31, 0.8);
    height: 450px;
}

.contact i:hover{
    color: #2A9FD6;
    transition: 0.1s ease-in;
}

/* RESPONSIVE */

@media(max-width: 500px){
    .navbar-brand{
        margin-left: 0px;
    }
    
    .header-text{
        margin-top: 100px;
    }

    .header-text h1{
        font-size: 30px;
    }

    .header-text h3{
        font-size: 20px;
    }

    .header{
        height: 500px;
    }
    .header-overlay{
        height: 500px;
    }
}