html,
body {
    height: 100%;
    background-color: #fbfcfd;
}

.header {
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px;
}

.iframe {
    width: 100%;
    height: calc(100% - 80px);

}

.header_logo {
    width: 120px;
}

.header__button {
    text-align: center;
    color: #fff;
    border-radius: 0px;
    border: none;
    background-color: #8FCA6F;
    font-size: 17px;
    padding: 7px 15px;
    cursor: pointer;
    text-transform: uppercase;
    display: flex;
align-items: center;
}

.header__button>img {
    transform: rotate(90deg);
    width: 10px;
    margin-right: 5px;
}