html, body {
    height: 100%;
}

html {
    background: url(./../img/robotspaceship-bg.jpg) no-repeat center center fixed;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
}

body {
    background-color: transparent;
}

.container-custom {
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}

h1 {
    font-weight: bold;
    color: white;
}

.text-gradient {
    background: linear-gradient(to right, #E307BE, #df4b60 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;

}

.btn {
    background-image: -webkit-gradient(linear, left top, right top, from(#e307be), color-stop(50%, #d9455b), to(#e016b8));
    background-image: -o-linear-gradient(left, #e307be 0, #d9455b 50%, #e016b8 100%);
    background-image: linear-gradient(90deg, #e307be, #d9455b 50%, #e016b8);
    background-size: 200% auto;
    border: 0;
    border-radius: 28px;
    color: #fff;
    -webkit-transition: all 225ms ease-in-out;
    -o-transition: all 225ms ease-in-out;
    height: 43px;
    line-height: 43px;
}

.navbar {
    position: fixed;
    width: 100%;
}

.logo {
    transition: transform 100ms ease-in-out;
}

.logo:hover {
    transform: scale(1.05);
}

.optical-mid {
    transform: translateY(-30px);
}