.table-header-rotated th.row-header {
    width: auto;
}

.table-header-rotated td {
    width: 40px;
    border-top: 1px solid #dddddd;
    border-left: 1px solid #dddddd;
    border-right: 1px solid #dddddd;
    vertical-align: middle;
    text-align: center;
}

.table-header-rotated th.rotate-45 {
    height: 120px;
    width: 40px;
    min-width: 40px;
    max-width: 40px;
    position: relative;
    vertical-align: bottom;
    padding: 0;
    font-size: 11px;
    line-height: 0.8;
}

    .table-header-rotated th.rotate-45 > div {
        position: relative;
        top: 0px;
        left: 60px; /* 80 * tan(45) / 2 = 40 where 80 is the height on the cell and 45 is the transform angle*/
        height: 100%;
        -ms-transform: skew(-45deg,0deg);
        -moz-transform: skew(-45deg,0deg);
        -webkit-transform: skew(-45deg,0deg);
        -o-transform: skew(-45deg,0deg);
        transform: skew(-45deg,0deg);
        overflow: hidden;
        border-left: 1px solid #dddddd;
        border-right: 1px solid #dddddd;
        border-top: 1px solid #dddddd;
    }

    .table-header-rotated th.rotate-45 span {
        -ms-transform: skew(45deg,0deg) rotate(315deg);
        -moz-transform: skew(45deg,0deg) rotate(315deg);
        -webkit-transform: skew(45deg,0deg) rotate(315deg);
        -o-transform: skew(45deg,0deg) rotate(315deg);
        transform: skew(45deg,0deg) rotate(315deg);
        position: absolute;
        bottom: 30px; /* 40 cos(45) = 28 with an additional 2px margin*/
        left: -25px; /*Because it looked good, but there is probably a mathematical link here as well*/
        display: inline-block;
        /*width: 100%;*/
        width: 85px; /* 80 / cos(45) - 40 cos (45) = 85 where 80 is the height of the cell, 40 the width of the cell and 45 the transform angle*/
        text-align: center;
        white-space: nowrap;
        /*whether to display in one line or not*/
    }

/*  Styles for notas parciales table*/

.table-header-rotatedNP th.row-header {
    width: auto;
}

.table-header-rotatedNP td {
    max-height: 50px;
    min-width:50px;
    border-top: 1px solid #dddddd;
    border-left: 1px solid #dddddd;
    border-right: 1px solid #dddddd;
    vertical-align: middle;
/*    text-align: center;
*/}

.table-header-rotatedNP th.rotate-45 {
    height: 120px;
    width: 60px;
    min-width: 40px;
    max-width: 40px;
    position: relative;
    vertical-align: bottom;
    padding: 0;
/*    font-size: 11px;
*/    line-height: 0.8;
}

    .table-header-rotatedNP th.rotate-45 > div {
        position: relative;
        top: 0px;
        left: 60px; /* 80 * tan(45) / 2 = 40 where 80 is the height on the cell and 45 is the transform angle*/
        height: 100%;
        -ms-transform: skew(-45deg,0deg);
        -moz-transform: skew(-45deg,0deg);
        -webkit-transform: skew(-45deg,0deg);
        -o-transform: skew(-45deg,0deg);
        transform: skew(-45deg,0deg);
        overflow: hidden;
        border-left: 1px solid #dddddd;
        border-right: 1px solid #dddddd;
        border-top: 1px solid #dddddd;
        background-color: #f6f6f6;
    }

    .table-header-rotatedNP th.rotate-45 span {
        -ms-transform: skew(45deg,0deg) rotate(315deg);
        -moz-transform: skew(45deg,0deg) rotate(315deg);
        -webkit-transform: skew(45deg,0deg) rotate(315deg);
        -o-transform: skew(45deg,0deg) rotate(315deg);
        transform: skew(45deg,0deg) rotate(315deg);
        position: absolute;
        bottom: 30px; /* 40 cos(45) = 28 with an additional 2px margin*/
        left: -25px; /*Because it looked good, but there is probably a mathematical link here as well*/
        display: inline-block;
        /*width: 100%;*/
        width: 85px; /* 80 / cos(45) - 40 cos (45) = 85 where 80 is the height of the cell, 40 the width of the cell and 45 the transform angle*/
        text-align: center;
        white-space: pre;
        /*whether to display in one line or not*/
    }