.my-masthead-wrapper{position:relative;width:100%;border-bottom:solid 3px #666;padding-top:80px}.my-masthead-wrapper:before{content:"";display:block;padding-top:23%}.my-masthead{position:absolute;top:0;left:0;bottom:0;right:0;background-size:100%;background-repeat:no-repeat;background-position:center bottom}@media screen and (min-width:40em){.my-masthead-wrapper:before{padding-top:25%}}@media screen and (min-width:64em){.my-masthead-wrapper:before{padding-top:23%}}