style.css

@import "https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css";
@import url(https://fonts.googleapis.com/css?family=Roboto);

* {
    margin: 0;
    padding: 0;
}

body {
    background-color: white;
}

.headerBg {
    background: url("images/bg.jpg")no-repeat center center;
    background-size: cover;
}
.headerTxt, .headerInput {
    width: 500px;   
}
.headerlogo {
    width: min-content;
}
.headerlogo img {
    margin: 150px 0;
}

.slogan {
    position: absolute;
    bottom: 200px;
    right: 150px;

    font-size: 5em;
    font-weight: bold;
    transform: rotate(-30deg);
}

button a, button a:focus, button a:active, button a:hover {
    color: white;
    text-decoration: none;
}

@media (max-width: 576px) {

    .headerBg, #content {
        width: 100%;
        padding: 10px;
        text-align: center;
    }
    .headerlogo {
        width: 100%;
    }
    .headerlogo img {
        margin-top: 100px;
        margin-bottom: 100px;
        width: 90%;
    }
    .input-group {
        display: block;
    }
    .headerTxt {
        font-size: 1.5em;
        margin-bottom: 20px;
    }
    .headerTxt, .headerInput {
        width: 100%;   
    }
    #cityInput {
        margin: 0 auto 20px auto !important;
        width: 75%;
    }
    #inputBtn {
        width: 30%;
    }

    .slogan {
        display: none;
        visibility: hidden;
    }


    table {
        width: 100% !important;
        font-size: 3vw;
    }

}