Fenêtre changer mdp

HTML

<div class="formboxwrapper">
    <div style=" " class="formbox">
        <div id="confpassboxtitle" class="formboxtitle h20 lh20">
            <div class="boxtitle">( Réinitialiser votre mot de passe )</div>
            <div id="closeresetbox" class="boxclose w20">X</div>
            <div class="iconebox ">
                <img src="http://www.junkst.com/Images/Icones/logo_junkst.png" class="h40 w40" />
            </div>
        </div>
        <form method="Post" action="#" id="submitstatutform" name="submitstatutform">
            <p style="border-top:none;">
                <label class="poslabelbox1 h30 lh30" style="">e-mail:</label>
                <input name="resetmail" id="resetmail" placeholder="[email protected]" size="95" type="text" class="h30 lh30" />
            </p>
            <p id="resultreset">Mot de passe changé avec succès...</p>
            <!-- <p> <input type="file" name="nom" value="Joindre une image"/></p> -->
            <p style="text-align:center;">
                <button type="submit" name="btnsubmitstatut" id="resetconf" value="Envoyer" onclick="">Envoyer !</button>
                <input name="action" value="action" id="actionform" type="hidden" />
                <!-- <button type="button" name="cancel" value="Annuler" onclick="closeformbox('statutbox')">Annuler</button>-->
            </p>
        </form>
    </div>
</div>

CSS

html {
    font-size:100%;
}
.h40 {
    height:40px;
}
.lh40 {
   line-height:40px;
}
.w40 {
    width:40px;
}
.w30 {
    width:30px;
}
.h30 {
    height:30px;
}
.lh30 {
    line-height:30px;
}
.w20 {
    width:20px;
}
.h20 {
    height:20px;
}
.lh20 {
    line-height:20px;
}
.formboxwrapper {
    position: fixed;
    left:50%;
    top: 20%;
}
.formbox {
    position:relative;
    margin-left: -50%;
    font-size: 0.9rem;
    width: 500px;
    padding-bottom:2%;
    z-index: 101;
    padding-top: 3.5%;
    padding-left: 0;
    background-color: #FFF !important;
    font-family: calibri, "lucida sans";
    border: 7px solid #DCDCDC;
    box-shadow: 1px 1px 5px black;
}
.formbox button {
    background-color: gainsboro;
    padding: 1% !important;
    font-size: 0.9rem;
    text-align: center;
    color: #990000;
    display: inline-block;
    vertical-align: middle;
    text-indent: 0px;
    border-width: 1px medium;
    border-style: solid none;
    border-color: grey;
    width: 80%;
    margin-left: auto;
    margin-right: auto;
    font-family:'Georgia';
    font-weight:bold;
    text-shadow:2px 2px 3px white;
    cursor:pointer;
}
.formbox button:hover {
    background-color: rgba(221, 221, 255, 1);
}
.formbox button:active {
    background-color: rgba(196, 190, 196, 1);
}
.formbox label {
    position: absolute;
    left: 4%;
    ;
    display: block;
    background: none repeat scroll 0% 0% #DCDCDC;
    width: 20%;
    text-align: center;
    vertical-align: middle;
    color: grey;
}
.formbox p {
    margin:auto;
    font-size: 1rem;
    color: #FF7000;
    padding-bottom: 4%;
    padding-top: 4%;
    text-align:center;
    display:block;
    position:relative;
}
.formboxtitle {
    text-align: center;
    vertical-align: middle;
    margin-left: auto;
    font-family: Georgia;
    font-size: 0.9rem;
    border: 1px solid #DCDCDC;
    letter-spacing: 1.5px;
    font-weight:;
    color: #808080;
    background-color: #DCDCDC;
    position:relative;
   ...