body{
    background: #ecf0f1;
}
 
#container-main{
    margin:40px auto;
    width:95%;
    min-width:320px;
    max-width:960px;
}
 
#container-main h1{
    font-size: 40px;
    text-shadow:4px 4px 5px #16a085;
}
 
.accordion-container {
    width: 100%;
    margin: 0 0 20px;
    clear:both;
}
 
.accordion-titulo {
    position: relative;
    display: block;
    padding: 20px;
    font-size: 24px;
    font-weight: 300;
    background: #2c3e50;
    color: #fff;
    text-decoration: none;
}
.accordion-titulo.open {
    background: #16a085;
    color: #fff;
}
.accordion-titulo:hover {
    background: #1abc9c;
}
 
.accordion-titulo span.toggle-icon:before {
    content:"+";
}
 
.accordion-titulo.open span.toggle-icon:before {
    content:"-";
}
 
.accordion-titulo span.toggle-icon {
    position: absolute;
    top: 10px;
    right: 20px;
    font-size: 38px;
    font-weight:bold;
}
 
.accordion-content {
    display: none;
    padding: 20px;
    overflow: auto;
}
 
.accordion-content p{
    margin:0;
}
 
.accordion-content img {
    display: block;
    float: left;
    margin: 0 15px 10px 0;
    width: 50%;
    height: auto;
}
 
 
@media (max-width: 767px) {
    .accordion-content {
        padding: 10px 0;
    }
}