a,abbr,address,article,aside,audio,b,blockquote,body,caption,cite,code,dd,del,details,dfn,div,dl,dt,em,fieldset,figure,footer,form,h1,h2,h3,h4,h5,h6,header,html,i,iframe,img,ins,kbd,label,legend,li,mark,menu,nav,object,ol,p,pre,q,samp,section,small,span,strong,sub,summary,sup,table,tbody,td,tfoot,th,thead,time,tr,ul,var,video {
    background: 0 0
}

.contentblock:after,article,aside,details,figure,footer,header,hr,nav,section,summary {
    display: block
}

embed,img,object {
    max-width: 100%;
    border: none
}

html {
    overflow-y: scroll
}

ol,ul {
    list-style: none
}

blockquote,q {
    quotes: none
}

blockquote:after,blockquote:before,q:after,q:before {
    content: '';
    content: none
}

a {
    text-decoration: none
}

del {
    text-decoration: line-through
}

abbr[title],dfn[title] {
    border-bottom: 1px dotted #000;
    cursor: help
}

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

hr {
    height: 1px;
    border: 0;
    border-top: 1px solid #ccc;
    margin: 1em 0;
    padding: 0
}

input,select {
    vertical-align: middle
}

pre {
    white-space: pre;
    white-space: pre-wrap;
    white-space: pre-line;
    word-wrap: break-word
}

input[type=radio] {
    vertical-align: text-bottom
}

input[type=checkbox] {
    vertical-align: bottom
}

.ie7 input[type=checkbox] {
    vertical-align: baseline
}

.ie6 input {
    vertical-align: text-bottom
}

input,select,textarea {
    font: 99% sans-serif
}

td,td img {
    vertical-align: top
}

sub,sup {
    line-height: 0;
    position: relative
}

sup {
    top: -.5em
}

sub {
    bottom: -.25em
}

.clickable,button,input[type=button],input[type=file],input[type=submit],label {
    cursor: pointer
}

button,input,select,textarea {
    margin: 0
}

button,input[type=button] {
    width: auto;
    overflow: visible
}

.ie7 img {
    -ms-interpolation-mode: bicubic
}

.clearfix:after,.clearfix:before {
    content: "\0020";
    display: block;
    height: 0;
    overflow: hidden
}

.clearfix:after {
    clear: both
}

.clearfix {
    zoom:1}

.contentblock:after {
    height: 2rem;
    content: '.';
    visibility: hidden
}

a,abbr,acronym,address,applet,article,aside,audio,b,big,blockquote,body,canvas,caption,center,cite,code,dd,del,details,dfn,div,dl,dt,em,fieldset,figcaption,figure,footer,form,h1,h2,h3,h4,h5,h6,header,hgroup,html,i,iframe,img,ins,kbd,label,legend,li,mark,menu,nav,object,ol,p,pre,q,s,samp,section,small,span,strike,strong,sub,summary,sup,table,tbody,td,tfoot,th,thead,time,tr,tt,u,ul,var,video {
    margin: 0;
    padding: 0;
    border: 0;
    outline: 0;
    font: inherit;
    vertical-align: baseline;
    -webkit-text-size-adjust: none;
    -webkit-tap-highlight-color: transparent;
    /*-webkit-user-select: none;
    -webkit-user-drag: none;*/
    font-family: arial,sans-serif
}

.color-grey {
    color: #b3b3b3
}

.color-title {
    color: #666
}

input {
    -webkit-appearance: none
}


/*display*/
.display_flex {
    display: -webkit-box;
    display: -moz-box;
    display:-webkit-flex;
    display: -ms-flexbox;
    display:flex;
}

.display_inline-flex {
    display: -webkit-inline-box;
    display: -ms-inline-flexbox;
    display: -webkit-inline-flex;
    display: inline-flex;
}

.display_inline-flex > * {
    display: block;
}

/*伸缩流方向*/
.flex-direction_column {
    -webkit-box-orient: vertical;
    -ms-flex-direction: column;
    -webkit-flex-direction: column;
    flex-direction: column;
}

/*主轴对齐*/
.justify-content_flex-center {
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
}

.justify-content_flex-end {
    -webkit-box-pack: end;
    -ms-flex-pack: end;
    -webkit-justify-content: flex-end;
    justify-content: flex-end;
}

.justify-content_flex-between {
    -webkit-box-pack: justify;
    -ms-flex-pack: justify;
    -webkit-justify-content: space-between;
    justify-content: space-between;
}

.justify-content_flex-around {
    display: distribute;
    display: -ms-flexbox;
    -ms-flex-pack: distribute;
    justify-content: space-around;
}

/*伸缩性*/
.flex_auto {
    -webkit-box-flex: 1;
    -ms-flex: auto;
    -webkit-flex: auto;
    flex: auto;
}

.flex_1 {
    -webkit-box-flex: 1;
    -ms-flex: 1;
    -webkit-flex: 1;
    flex: 1;
}

/*侧轴对齐*/
.align-items_flex-start {
    -webkit-box-align: start;
    -ms-flex-align: start;
    -webkit-align-items: flex-start;
    align-items: flex-start;
}

.align-items_flex-end {
    -webkit-box-align: end;
    -ms-flex-align: end;
    -webkit-align-items: flex-end;
    align-items: flex-end;
}

.align-items_center {
    -moz-box-align: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
}

.align-items_baseline {
    -webkit-box-align: baseline;
    -ms-flex-align: baseline;
    -webkit-align-items: baseline;
    align-items: baseline;
}