html,body{
    height: 100%;
    width: 100%;
}
html,body,div{
    padding: 0px;
    margin: 0px;
}
.container{
position: relative;
    height: 20%;
    width: 100%;


}
.logo{
    padding-left:10%;
    padding-top: 2%;
    position: absolute;
    width:40%;
    height: 20%;

}

.top-bar{
    height: 15%;
    width: 100%;
    background: #025d92;
}
.heading{
    float:right;
    padding-right:8%;
    padding-top: 5%;
    position: relative;
    width: 40%;
    height: 19%;

    text-align: right;
    font-size: 1.5em;

}
.query_data{
    position: relative;
    width: 80%;
    height: 50%;
    left:20%;
}
.query_data tr td{
text-align: center;
    font-size: 1.3em;
}
.myButton {
    -moz-box-shadow:inset 0px 0px 0px 0px #54a3f7;
    -webkit-box-shadow:inset 0px 0px 0px 0px #54a3f7;
    box-shadow:inset 0px 0px 0px 0px #54a3f7;
    background:-webkit-gradient(linear, left top, left bottom, color-stop(0.05, #007dc1), color-stop(1, #0061a7));
    background:-moz-linear-gradient(top, #007dc1 5%, #0061a7 100%);
    background:-webkit-linear-gradient(top, #007dc1 5%, #0061a7 100%);
    background:-o-linear-gradient(top, #007dc1 5%, #0061a7 100%);
    background:-ms-linear-gradient(top, #007dc1 5%, #0061a7 100%);
    background:linear-gradient(to bottom, #007dc1 5%, #0061a7 100%);
    filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#007dc1', endColorstr='#0061a7',GradientType=0);
    background-color:#007dc1;
    -moz-border-radius:4px;
    -webkit-border-radius:4px;
    border-radius:4px;
    border:2px solid #124d77;
    display:inline-block;
    cursor:pointer;
    color:#ffffff;
    font-family:arial;
    font-size:18px;
    padding:6px 24px;
    text-decoration:none;
    text-shadow:0px 0px 0px #154682;
}
.myButton:hover {
    background:-webkit-gradient(linear, left top, left bottom, color-stop(0.05, #0061a7), color-stop(1, #007dc1));
    background:-moz-linear-gradient(top, #0061a7 5%, #007dc1 100%);
    background:-webkit-linear-gradient(top, #0061a7 5%, #007dc1 100%);
    background:-o-linear-gradient(top, #0061a7 5%, #007dc1 100%);
    background:-ms-linear-gradient(top, #0061a7 5%, #007dc1 100%);
    background:linear-gradient(to bottom, #0061a7 5%, #007dc1 100%);
    filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#0061a7', endColorstr='#007dc1',GradientType=0);
    background-color:#0061a7;
}
.myButton:active {
    position:relative;
    top:1px;
}

.query_data select {
    background: transparent;
    width: 268px;
    padding: 5px;
    font-size: 16px;
    line-height: 1;
    border: 0;
    border-radius: 0;
    height: 34px;
    -webkit-appearance: none;
    /*width: 240px;
    */
    height: 34px;
    overflow: hidden;
    background: url("../images/down_arrow_select.jpg") no-repeat right #ddd;
    border: 1px solid #ccc;
}

.r_container{
    position: absolute;
    top:0%;
    height:125%;
    width: 82%;
    left:9%;
    background: url("../images/back_new.jpg");
    background-size: 100% 100%;
z-index:20;
}
.r_container table{
    position: relative;
    left:5%;
    top:2%;
}
.marks th{
        border:1px solid black;
}
.marks{
    border-collapse: collapse;
border: 1px solid black;
}
.marks tr td{
    border-left:1px solid black;
}
.marks tr th{
    text-align: center;
}
.marks tr td{
    text-align: center;
}

.student-detail-table tr td, th{
    border: 0px solid black;

}
.student-detail-table tr th{

}