Img align right not working in posts

sorted by adding this to css:

.alignnone {
margin: 5px 20px 20px 0;
}

.aligncenter,
div.aligncenter {
display: block;
margin: 5px auto 5px auto;
}

.alignright {
float:right;
margin: 5px 0 20px 20px;
}

.alignleft {
float: left;
margin: 5px 20px 20px 0;
}

a img.alignright {
float: right;
margin: 5px 0 20px 20px;
}

a img.alignnone {
margin: 5px 20px 20px 0;
}

a img.alignleft {
float: left;
margin: 5px 20px 20px 0;
}

a img.aligncenter {
display: block;
margin-left: auto;
margin-right: auto
}

.wp-caption {
background: #fff;
border: 1px solid #f0f0f0;
max-width: 96%; /* Image does not overflow the content area */
padding: 5px 3px 10px;
text-align: center;
}

.wp-caption.alignnone {
margin: 5px 20px 20px 0;
}

.wp-caption.alignleft {
margin: 5px 20px 20px 0;
}

.wp-caption.alignright {
margin: 5px 0 20px 20px;
}

.wp-caption img {
border: 0 none;
height: auto;
margin: 0;
max-width: 98.5%;
padding: 0;
width: auto;
}

.wp-caption p.wp-caption-text {
font-size: 11px;
line-height: 17px;
margin: 0;
padding: 0 4px 5px;
}

/* Text meant only for screen readers. */
.screen-reader-text {
clip: rect(1px, 1px, 1px, 1px);
position: absolute !important;
height: 1px;
width: 1px;
overflow: hidden;
}

.screen-reader-text:focus {
background-color: #f1f1f1;
border-radius: 3px;
box-shadow: 0 0 2px 2px rgba(0, 0, 0, 0.6);
clip: auto !important;
color: #21759b;
display: block;
font-size: 14px;
font-size: 0.875rem;
font-weight: bold;
height: auto;
left: 5px;
line-height: normal;
padding: 15px 23px 14px;
text-decoration: none;
top: 5px;
width: auto;
z-index: 100000; /* Above WP toolbar. */
}