html {
    font-size: 10px;
}

body {
    background: $white;
    font-family: $font;
    font-weight: 300;
    color: $font-color;

    @media screen and(min-width:992px) {
        overflow: hidden;
    }
}

.page {
    height: 100%;
}

.content-right {
    background-color: $black;
}

.panel {
    box-shadow: none;
    border: none;
}

.panel .panel-default {
    position: relative;
}

.panel-default>.panel-heading {
    background-color: transparent;
    border-color: transparent;
}

.panel-group .panel-heading+.panel-collapse>.panel-body,
.panel-group .panel-heading+.panel-collapse>.list-group {
    border-top: none;
    position: relative;
}

.panel-title>a {
    text-decoration: none;
}

.panel-number {
    margin-right: 30px;
    height: 40px;
    position: relative;

    &::after {
        content: '';
        height: 100%;
        position: absolute;
        left: 30px;
        top: 0;
        width: 1px;
        background-color: $line;
    }
}

.collapse.in {
    position: relative;
    left: -30%;
    right: 0;
    top: 0;
    background: green;
    width: 150%;
    z-index: 0;

    &::before {
        content: '';
        background-color: green;
        width: 100vw;
        position: absolute;
        z-index: 0;
        left: -100%;
        height: 100%;
    }

}

.collapsing {
    position: relative;
    left: -100%;
    right: 0;
    top: 0;
    background: green;
    width: 150%;
    z-index: 0;

    &::before {
        content: '';
        background-color: green;
        width: 100vw;
        position: absolute;
        z-index: 0;
        left: -100%;
        height: 100%;
    }
}

.panel-body {
    width: 50%;
    margin: 0 auto;
}