.picwide, .cluster {
    // this clever bit comes from https://css-tricks.com/full-width-containers-limited-width-parents/
    // I tweaked it slightly to add a bit of margin
    width: 96vw;
    position: relative;
    left: 48%;
    right: 48%;
    margin-left: -46vw;
    margin-right: -50vw;
    @include breakpoint(gamma) {
        width: 98vw;
        position: relative;
        left: 49%;
        right: 49%;
        margin-left: -48.5vw;
        margin-right: -49.5vw;
    }
    @include breakpoint(epsilon) {
        $margin: ($max_width - $narrow-max-width)/2;
        left: 0; 
        right: 0;
        margin-left: -$margin;
        margin-left: -$margin;
        width: $max_width;
        max-width: $max_width;
    }
}
p + .picwide {
    margin-top: 1.5rem;
    @include breakpoint(gamma) {
        margin-top: 2.5rem;
    }
}
.picwide + p {
    margin-top: 1.5rem;
    @include breakpoint(gamma) {
        margin-top: 2.5rem;
    }
}
.cluster {
    margin-bottom: 2rem;
    margin-top: 2rem;
    @include breakpoint(gamma) {
        margin-bottom: 3rem;
        margin-top: 3rem;
    }
}
.row-2 {
    a:last-of-type img, figure:last-of-type {
        width: 49.7%;
        float: right;
        margin-right: 0;
    }
    a:first-of-type img, figure:first-of-type {
        width: 49.7%;
        float: left;
        margin-left: 0;
        margin-right: .3%;
    }
    &:after {
        @extend %clearfix;
        margin-bottom: .5rem;
    }
    figure:first-of-type img, figure:last-of-type img {
        width: 100%;
    }
}
.banner .post-image {
    // this clever bit comes from https://css-tricks.com/full-width-containers-limited-width-parents/
    // I tweaked it slightly to add a bit of margin
  width: 100vw;
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
}
.embed-wrapper {
    @include constrain_wide;
    @include breakpoint(gamma) {
        margin-left: auto;
        margin-right: auto;
    }
}
.embed-container { 
    position: relative; 
    padding-bottom: 56.25%; 
    height: 0; 
    overflow: hidden; 
    max-width: 100%; 
    margin-bottom: 1rem;
} 
.embed-container iframe, .embed-container object, .embed-container embed { 
    position: absolute; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%; 
}