.cajas_iconos {
    float: left;
    margin-top: 25px;
    margin-bottom: 25px;
    margin-right: 35px;
    margin-left: 35px;
}
.cajas_iconos_orillla {
    float: left;
    margin-top: 25px;
    margin-bottom: 25px;
    margin-left: 35px;
    margin-right: calc(100% - 740px);
}
.split {
    -webkit-box-sizing: border-box;
       -moz-box-sizing: border-box;
            box-sizing: border-box;

    overflow-y: auto;
    overflow-x: hidden;
}
.content {
    border: 1px solid #C0C0C0;
    box-shadow: inset 0 1px 2px #e4e4e4;
    background-color: #fff;
}
.gutter {
    background-color: transparent;
    background-repeat: no-repeat;
    background-position: 50%;
}
.gutter.gutter-horizontal {
    cursor: col-resize;
    background-image: url('../Images/grips/vertical.png');
}
.gutter.gutter-vertical {
    cursor: row-resize;
    background-image: url('../Images/grips/horizontal.png');
}
.split.split-horizontal, .gutter.gutter-horizontal {
    height: 100%;
    float: left;
}
nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
nav li {
    line-height: 28px;
    position: relative;
}
nav li ul {
    position: absolute;
}
nav a {
    color: #000000;
    display: block;
    padding: 0 0.8em;
    text-decoration:none;
    transition: 0.3s;
}
nav a:hover {
    background: rgb(0, 38, 255);
    text-decoration:none;
    color:#FFFFFF;
}
.menu {
    background: #C0C0C0;
    display: table;
    width: 100%;
}
.menu > li {
    float: left;
}
nav li li {
    background: #fff;
    max-height: 0;
    transition: all 0.3s;
    overflow: hidden;
    width: 200px;
}
nav li:hover > ul > li {
    max-height: 1000px;
    overflow: visible;
    border:1px solid #000000;
}
.menu > li > ul {
    top: 100%;
}
.menu ul ul {
    left: calc(100% + 1px);
    top: -1px;
}