.mainTitle {
    font-size: 1.5rem;
    font-weight: bold;
}

input,
select,
button,
textarea {
    border-radius: 0% !important;
    -webkit-border-radius: 0% !important;
    -moz-border-radius: 0% !important;
    -ms-border-radius: 0% !important;
    -o-border-radius: 0% !important;
}