:root {
    --blue: #5D878C;
    --bg: #F1F2E9;
    --pink: #D98282;
    --yellow: #F2F0D5;
    --white: #fff;
}



/* Hamburger */

#hamburger div {
   /* width: 25px;
    height: 2px;
    background-color: black;
    margin: 6px 0;*/
    width: 0;
	height: 0;
	border-left: 10px solid transparent;
	border-right: 10px solid transparent;
	border-top: 20px solid #555;
}
#hamburger {
    width:20px;
    height:20px;
    text-align: left;
}

.hide-small {
    display: none;
}
#main-nav li {
    color: var(--blue);
}



/* Structure */ 


#section2 {
    display: none;
}

body {
    font-family:Arial, Helvetica, sans-serif;
    background: var(--bg);
}

#content 
{
    width:90%;
    margin:auto;
}
.columns {
    height: 500px;
    width: 300px;
    margin:auto;
}
.column1 , .hide-yoga {
    background: var(--yellow);
    color: var(--blue);
    text-align: center;
    
}
.column1 , .hide-yoga {
    
    border: 1px solid var(--blue);
}
p{
    padding: 7px;
}

#main-nav ul {
    padding-left: 0px;
}

#main-nav li {
    list-style-type: none;
}

#main-nav a {
    text-decoration: none;
    color: black;
}






/*Picture commands*/

.exercises {
    color: var(--blue);
}
#exercise1:hover {
    cursor: pointer;
}


.commands li{
    list-style-type: disc;
    color: var(--blue);
    text-align: left;
}
input {
    color: var(--blue);
    margin-bottom: 30px;
}
#swap {
    max-width: 80%;
    max-height: 200px;
}


/* picture silder*/ 

#exercise2:hover {
    cursor: pointer;
}
#image-slide {
    max-width: 80%;
    max-height: 200px;
}
input[type="range"] {
    -webkit-appearance: none;
    width: 80%;
    height: 10px;
    margin: 10px 0;
    background-color: #ddd;
}

input[type="range"]:focus {
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background-color: var(--pink);
    cursor: pointer;
}

input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background-color: var(--pink);
    cursor: pointer;
}

span {
    display: inline-block;
    font-size: 1.2em;
    margin-top: 10px;
}


/* Typography */

h1 , h2 {
    color: var(--blue);
    text-align: center;
    
}

/* For larger resolutions */
@media only screen and (min-width: 768px) {
    #main-nav li {
        display: inline-block;
    }
    #hamburger {
        display: none;
    }
    .hide-small {
        display: block;
    }
    #main-nav ul{
        text-align: center;
    }
    li + li::before {
        content: " | ";
    }
}