#phone {
    max-width: 100%;
    padding: 10px;
    padding-left: 50px;
    font-size: 16px;
    border-radius: 5px;
    border: 1px solid #ccc;
}

.form-control {
    width: 540px;
}

#formFile1 {
    height: 100px;
}

.subsec {
    width: 600px;
    margin: auto;
    padding: 30px;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
    border-radius: 30px;
    margin-bottom: 50px;
    align-items: left;
    justify-content: center;
    display: flex;
    flex-direction: column;
}

.error {
    color: red;
    font-size: 12px;
    position: relative;
}

@media screen and (max-width:767px) and (min-width:600px) {
    .form-control {
        width: 440px;
    }

    .subsec {
        width: 500px;
    }
}

@media screen and (max-width:599px) and (min-width:500px) {
    .form-control {
        width: 340px;
    }

    .subsec {
        width: 400px;
    }
}
@media screen and (max-width:499px) and (min-width:400px) {
    .form-control {
        width: 290px;
    }

    .subsec {
        width: 350px;
    }
}

@media screen and (max-width:399px) and (min-width:300px) {
    .form-control {
        width: 240px;
    }

    .subsec {
        width: 300px;
    }
}