style.css

*{
    font-family: "Poppins", sans-serif;
}

body{
    background: linear-gradient(90deg, rgba(33,106,219,1) 0%, rgba(0,212,255,1) 100%);
}

.main-container{
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.container{
    margin: 5%;
    padding: 50px;
    border: 1px solid white;
    border-radius: 30px;
    box-shadow: 0px 0px 213px rgba(0, 0, 0, 0.581);
}

h1{
    font-size: 50px;
}

.input-text{
    width: 300px;
    height: 50px;
    padding: 5px 15px;
    border-radius: 15px;
    border: 1px solid white;
    background-color: #ffffff49;
    backdrop-filter: blur(10px);
    font-size: 18px;
    font-weight: bold;
    outline: none;
}

.get-button{
    width: 180px;
    font-weight: bold;
    font-size: 20px;
    height: 60px;
    margin-left: 20px;
    border: none;
    background-color: rgb(246, 255, 0);
    border-radius: 15px;
    border: 1px solid black;
    cursor: pointer;
}

::placeholder{
    color: #0000007f;
}

.weather-details{
    margin-top: 50px;
}

.cityname{
    font-size: 50px;
    margin: 10px;
}

.temp{
    font-size: 45px;
    margin: 10px;
}

.desc{
    font-size: 40px;
    margin: 10px;
}

@media screen and (max-width: 560px){
    .container{
        margin: 10%;
    }
}

@media screen and (max-width: 450px){
    .container{
        margin: 20%;
    }

    .title-text{
        font-size: 20px;
    }

    .container{
        width: 60%;
    }

    .cityname, .temp, .desc{
        font-size: 9vw;
    }

    .input-text{
        width: 90%;
    }

    .get-button{
        width: 80%;
        height: 50px;
        font-size: 5vw;
    }
}

@media screen and (max-width: 720px){
    .get-button{
        margin: 0;
        margin-top: 10px;
    }
}