body {
    font-family: Arial,sans-serif;
    font-size: 15px;
    height: 100%;
    background-color: #fff;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    font-weight: 400;
    line-height: 1.5;
    margin: 0;
    padding: 0;
    color: #ffffff;
}

a {
    color: #ffffff;
}

*, *:before, *:after {
    margin: 0;
    padding: 0;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

.bg {
    width: 100%;
    min-height: 100vh;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    position: relative;
    z-index: 1;
}

.bg::before {
    content: "";
    display: block;
    position: absolute;
    z-index: -1;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: #7579ff;
    background: -webkit-linear-gradient(bottom,#b224ef,#7579ff);
    background: -o-linear-gradient(bottom,#b224ef,#7579ff);
    background: -moz-linear-gradient(bottom,#b224ef,#7579ff);
    background: linear-gradient(bottom,#b224ef,#7579ff);
    opacity: .9;
}
.main {
    display: flex;
    flex-direction: column;
    height: 100%;
    width: 100%;
    justify-content: center;
    align-items: center;
    position: absolute;

}

.main >h1 {
    margin-bottom: 50px;
}

.main >p.welcome {
    margin-bottom: 50px;
    font-size: 25px;
}