Want to resize the SharePoint OOB calendar?, like this

1. Add the calendar web part to right column of the page (in calendar view)
2. Add Content Editor Web Part to the right column of the page
<style type="text/css">
/* Tiny Calendar */
/* Remove week blocks */
.ms-cal-weekempty {display:none;}
.ms-cal-week {display:none;}
.ms-cal-weekB {display:none;}
.ms-cal-weekB {display:none;}
/* Shrink cells */
.ms-cal-workitem2B {display:none;}
.ms-cal-noworkitem2B {display:none;}
.ms-cal-nodataBtm2 {display:none;}
.ms-cal-todayitem2B {display:none;}
.ms-cal-workitem {font-size:0px;}
.ms-cal-muworkitem {font-size:0px;}
.ms-cal-noworkitem {font-size:0px;}
.ms-cal-nodataMid {font-size:0px;}
.ms-cal-todayitem {font-size:0px;}
/* thin out header */
.ms-cal-nav {display:none;}
.ms-cal-nav-buttonsltr {display:none;}
.ms-cal-navheader {padding:0px;spacing:0px;}
.ms-calheader IMG {width:15px;}
/* Abbreviate weekdays */
.ms-cal-weekday {letter-spacing:6px; width:22px; overflow: hidden;}
</style>
3. Hide the Content Editor Web Part…..