.header_title {
    font-size: 3.5vw;
    text-align: center;
    color: white;
    width: auto;
    height: auto;
    margin-top: 15px;
    transition: font-size 0.5s ease-in, text-shadow 1s ease-in;
}
.header_title:hover {
    font-size: 4vw;
    text-shadow: 0px 0px 20px #ffffff;
}
form {
    width: 80%;
    margin-left: 10%;
    margin-right: 10%;
}
.page, .form-control, .form-label {
    width: 70%;
    margin-left: 15%;
    margin-right: 15%;
}
.box {
    margin-left: 20%;
}
.login_form {
    width: 70%;
    margin-left: 15%;
    margin-right: 15%;
    display: flex;
    flex-flow: column;
}
.buttons_from {
    width: 100%;
    margin-left: 15%;
    display: flex;
    justify-content: space-evenly;
    flex-wrap: wrap;
}
.button {
    margin-top: 5px;
    width: auto;
    height: auto;
    display: flex;
    align-self: stretch;
}
.text_button {
    margin-top: auto;
    width: 90%;
    height: 90%;
    font-size: 1.2vw;
}
.apk {
    width: 40%;
    margin-left: 25%;
    margin-right: 30%;
}
.text_apk {
    text-align: center;
}