body {
    margin: 0;
    font-family: Calibri, "Helvetica Neue", Helvetica, Arial, sans-serif;
    color: #878787;
    font-size: 14px;
}

.header {
    width: auto;
    height: 60px;
    background-color: black;
    padding: 1% 0 1% 10%;
}

.main {
    width: auto;
    padding-top: 20px;
    text-align: center;
}

.main__container {
    width: 450px;
    padding: 30px;
    margin: 0 auto;
    display: block;
    text-align: center;
    border: 1px solid black;
    border-radius: 25px;
}

.main__container > span {
    font-size: 20px;
}

.main__container--button {
    min-height: 30px;
    padding: 15px;
    margin-top: 30px;
    background-color: #000;
    color: #fff;
    border: 1px solid #fff;
    border-radius: 10px;
    cursor: pointer;
}
.main_button:hover {
   background-color: #ff6805;
   color: #fff;
   border-color: #ff6805;
}

.footer {
   position: fixed;
   right: 25px;
   bottom: 5px;
}