HTMLify

*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body{
    background-color: #19172e;
    height: 100vh;
    font-family: monospace;
    font-size: 1.25rem;
    color: white;
}
section{
    height: 80vh;
    display: flex;
    justify-content: center;
    align-content: center;
}
.main{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 450px;
}
.heading{
    height: 58px;
    line-height: 58px;
    width: 100%;
    font-size: 2rem;
    font-weight: bolder;
    text-align: center;
    border-radius: 10px;
    padding: 0 15px;
    background: #f9f8fa75;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 10px rgba(197, 193, 193, 0.185);
    margin-bottom: 28px;
}
.container{
    /* border: 2px solid red; */
    width: 100%;
    height: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color:#f9f8fa75;
    border-radius: 10px;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 10px rgba(197, 193, 193, 0.185);
}
.box{
    width: 90%;
    padding: 10px 0;
    font-weight: bold;
}
.input_box{
    width: 14rem;
    font-family: monospace;
    padding: 5px;
    float: right;
    outline: none;
    border: none;
    background-color: transparent;
    border-bottom: 1px solid white;
    color: white;
    font-size: 1.25rem;
}
footer{
    position: absolute;
    bottom: 0;
    background-color: #000002; 
    text-align: center;
    color: white;
    font-size: 1.25rem;
    left: 0;
    right: 0;
    bottom: 0;
    margin-bottom: 0;
    padding: 20px;
    line-height: 4vh;
}
a{
    color: rgba(255, 255, 255, 0.383);
}
::placeholder{
    color: rgb(173, 169, 169);
}



@media screen and (max-width: 500px) {
    .main{
        width: 87%;
    }
    .heading{
        font-size: 1.5rem;
    }
    .container{
        padding-bottom: 35px;
    }
    .box{
        display: flex;
        flex-direction: column;  
        width: 100%;
        margin-top: 13px;
    }
    .input_box{
        width: 90%;
        padding: 3px;
        font-size: 1.25rem;
        margin-top: 5px;
    }
}


@media screen and (max-width: 380px) {
    .main{
        width: 92%;
    }
    .heading{
        font-size: 1.22rem;
        padding: 0 10px;
    }
}