.spacer {
    height: 350px;
}

.e4m_logo {
    height: 60px;
    background-size: contain !important;
    background-repeat: no-repeat !important;
    background-position: left !important;
    background: url("/static/assets/e4m_logo.png")
}

.metu_logo {
    height: 70px;
    margin-top: -10px;
    background-size: contain !important;
    background-repeat: no-repeat !important;
    background-position: right !important;
    background: url("/static/assets/metu_logo.png")
}

.lrz_logo {
    height: 100px;
    margin-top: -20px;
    background-size: contain !important;
    background-repeat: no-repeat !important;
    background-position: left !important;
    background: url("/static/assets/lrz_logo_long.png")
}

.loading_gif {
    height: 160px;
    background-size: contain !important;
    background-repeat: no-repeat !important;
    background-position: right !important;
    background: url("/static/assets/terazi.gif")
}

.donezo {
    height: 160px;
    background-size: contain !important;
    background-repeat: no-repeat !important;
    background-position: right !important;
    background: url("/static/assets/terazi_done.jpg")
}

.help {
    cursor: help;
}

.spinner {
    display: block;
    margin-top: 2em;
    margin-right: auto;
    margin-left: auto;
    width: 4em;
    height: 4em;
    padding: 7px;
    border: 1px solid #ccc;
    border-radius: 50%;
    transform: scale(.7);
}

.medium {
    transform: scale(1)
}

.large {
    margin-top: 4em;
    transform: scale(1.5)
}

.spinner-wrapper {
    position: relative;
    width: 4em;
    height: 4em;
    border-radius: 100%;
    left: calc(50% - 2em);
}

.spinner-wrapper::after {
    content: "";
    background: #fff;
    border-radius: 50%;
    width: 3em;
    height: 3em;
    position: absolute;
    top: 0.5em;
    left: 0.5em;
}

.rotator {
    position: relative;
    width: 4em;
    border-radius: 4em;
    overflow: hidden;
    animation: rotate 2000ms infinite linear;
}

.rotator:before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #3F51B5;
    border: 3px solid #fff;
    border-radius: 100%;
}

.inner-spin {
    background: #fff;
    height: 4em;
    width: 2em;
}

.inner-spin {
    animation: rotate-left 2500ms infinite cubic-bezier(0.445, 0.050, 0.550, 0.950);
    border-radius: 2em 0 0 2em;
    transform-origin: 2em 2em;
}

.inner-spin:last-child {
    animation: rotate-right 2500ms infinite cubic-bezier(0.445, 0.050, 0.550, 0.950);
    margin-top: -4em;
    border-radius: 0 2em 2em 0;
    float: right;
    transform-origin: 0 50%;
}

@keyframes rotate-left {

    60%,
    75%,
    100% {
        transform: rotate(360deg);
    }
}

@keyframes rotate {
    0% {
        transform: rotate(0);
    }

    100% {
        transform: rotate(360deg);
    }
}

@keyframes rotate-right {

    0%,
    25%,
    45% {
        transform: rotate(0);
    }

    100% {
        transform: rotate(360deg);
    }
}