style.css

*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}
:root{
    --color: #fff ;
}
body{
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: #222;
    background-image: url('https://source.unsplash.com/1600x900/?landscape');
    background-repeat: no-repeat;
    background-size: cover;
    font-size: 120%;
}
.weatherApp{
    opacity: 90%;
    background: #222;
    color: var(--color);
    padding:2em;    
    border-radius: 1.8em;
    width: 100%;
    height: 500px; 
    max-width: 720px;
    margin: 1em;
}
.searchBar{
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 3rem;
  background: transparent;
  padding: 1rem;
  color: var(--color);
  border: 2px solid var(--color);
  border-top-style: none;
    border-right-style: none;
    border-bottom-style: solid;
    border-left-style: none; 
}
input[type="text"] {
    margin: 0 0.5rem 0 0.5rem;
    width: 100%;
    border: none;
    outline: none;
    font-size: 15px;
    background: transparent;
    color: var(--color);
}
.search::placeholder{
    font-size: 15px;
    color: rgb(210, 210, 210);
}
.city{
    text-align: center;
    font-size: 30px;
}
.degree{
    text-align: center;
    font-size: 40px;
}
.current{
    display: flex;
    align-items: center;
    justify-content: center;
}
.hi-low, .wind{
    font-size: 16px;
}
.weather{
    font-size: 20px;
    font-weight: 700;
    text-transform: capitalize;
}
.location.information{
    max-height: 20px;
    position: relative;
}
.location.information.after{
    visibility: visible;
    content: "Loading...";
    color: var(--color);
    position: absolute;
    top: 0;
    left: 20px;
}
.footer{
    position: fixed;
    margin: auto;
    padding: 10px 0px 0px 0px;
    bottom: 0;
    width: 100%;
    /* Height of the footer*/
}
.footer h4{
    font-size: 12px;
}

@media only screen and (min-width: 700px) {
    .weatherApp{
        height: 500px;
    }
    input[type="text"] {
        font-size: 25px;
    }
    .search::placeholder{
        font-size: 25px;
    }
    .city{
        font-size: 40px;
    }
    .degree{
        text-align: center;
        font-size: 50px;
    }
    .footer{
        position: fixed;
        padding: 10px 10px 50px 150px;
        bottom: 0;
        width: 100%;
        /* Height of the footer*/
        height: 40px;
    }
    .footer h4{
        font-size: 20px;
    }
}