* {
    margin: 0;
    padding: 0;
}

body {
    background: #fffffa;
}

header {
    width: 100%;
}

header nav {
    width: 90%;
    max-width: 1000px;
    margin: 20px auto;
    background: #142749;
}

.menu_bar {
    display: none;
}

header nav ul {
    overflow: hidden;
    list-style: none;
}

header nav ul li {
    float: left;
}

header nav ul li a {
    color: #fffffa;
    padding: 20px;
    display: block;
    text-decoration: none;
}

header nav ul li span {
    margin-right: 10px;
}

header nav ul li a:hover {
    background:rgb(167, 185, 240);
}

section {
    padding: 30px;
}
.margin {
    margin-left: 30px;
	margin-right: 15px;
}
.color {
	background-color:azure;
}

.colorfooter {
	background-color:#044B41;
	color:aliceblue;
}
.bordetop{
	border-top-width:20px;
    border-top-style: solid;
    border-top-color:aquamarine;

}
.colorbondi {
	background-color:#0799b6;
}

.colorjanna {
	background-color:#f2e6cf;
	
}

.colorsimbad {
	background-color: rgba(191, 231, 248, 0.9);
}
.redondear {
	border-radius: 10px 10px 10px 10px;
}
.transparencia {
opacity: 0.5; /* 50% de transparencia */
}
.padin {
	padding: 10px;
}

.shadow {
    box-shadow: 5px 5px 10px;   /* Sombra desenfocada */
}
/*De este punto hacia abajo corresponde al menú vertical del formato celular*/
@media screen and (max-width: 900px) {
    header nav {
        width: 80%;
        height: 100%;
        margin: 0;
        position: fixed;
    }

    header nav ul li {
        display: block;
        float: none;
        border-bottom:rgba(255, 255, 255, a.3);
        border-bottom: 1px solid;
    }

    .menu_bar {
        display: block;
        width: 100%;
        background: #142749;
    }

    .menu_bar .bt_menu {
        display:block;
        padding: 20px;
        background: #142749;
        color: #fffffa;
        text-decoration: none;
        font-weight: bold;
        font-size: 25px;
        -webkit-box-sizing: border-box;
        -moz-box-sizing: border-box;
        box-sizing: border-box;
    }

    .menu_bar span {
        float: right;
        margin-right: 10px;
        padding-top: 7px;
    }
@mixin make-container($gutter: $container-padding-x) {
  width: 100%;
  padding-right: var(--#{$variable-prefix}gutter-x, #{$gutter});
  padding-left: var(--#{$variable-prefix}gutter-x, #{$gutter});
  margin-right: auto;
  margin-left: auto;
}
}