style.css

body{
    font-family: 'Montserrat', sans-serif;
}

.bd-navbar {
    background-color: black;
}

.bd-body {
    background-color: #000000;
}

/* banner */
.banner{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
}

.banner-heading{
    animation-name: anim;
    animation-duration: 2s;
}

.banner-par{
    animation-name: anim;
    animation-duration: 2s;
    animation-delay: .5s;
    animation-fill-mode: backwards;
}

@keyframes anim{
    0%{
        transform: translateX(-100px);
        opacity: 0;
    }
    100%{
        transform: translateX(0);
        opacity: 1;
    }
}
/* end of banner */

header{
    height: 95vh;
    background: linear-gradient(rgba(0, 0, 0, .4), rgba(0, 0, 0, .5)), url(/images/495902.jpg) no-repeat center center /cover;
}

/* search */
.search-input{
    background: transparent;
    border: none;
    border-radius: 0;
    border-bottom: 2px solid #999;
    transition: all .4s;
}

.search-input:focus{
    background: transparent;
    box-shadow: none;
    border-bottom: 2px solid #dc3545
}

.search-button{
    border-radius: 50%;
    padding: 10px 16px;
}

.search-button:hover{
    background-color: #eee;
    transform: translateY(-1px);
}
/* end of search */