デフォルト設定を初期化 

#myArea div,#myArea dl,#myArea dt,#myArea dd,#myArea ul,#myArea ol,#myArea li,#myArea h1,#myArea h2,#myArea h3,#myArea h4,#myArea h5,#myArea h6,#myArea pre,#myArea form,#myArea fieldset,#myArea input,#myArea textarea,#myArea p,#myArea blockquote,#myArea th,#myArea td {
margin:0;
padding:0;
} 

#myArea table {
border-collapse:collapse;
border-spacing:0;
} 

#myArea fieldset,img {
border:0;
} 

#myArea address,caption,cite,code,dfn,em,strong,th,var {
font-style:normal;
font-weight:normal;
} 

#myArea ol,ul {
list-style:none;
} 

#myArea caption,th {
text-align:left;
} 

#myArea h1,h2,h3,h4,h5,h6 {
font-size:100%;
font-weight:normal;
} 

#myArea q:before,q:after {
content:'';
} 

#myArea abbr,acronym { border:0;
}