header{
    background-color: black;
    color: #fff;
    padding:50px 0;
}
header .row{
    padding: 0 0 32px 0;
}
.big-button{
	text-align: center !important;
	margin: 0 auto !important;
	display: block;
	width: 80% !important;
	padding-top: 20px;
	padding-bottom: 40px;
	color:#ffffff!important; 
	border-width:0px!important;
	border-radius:100px;
	font-size:40px;
	font-weight:700!important;
	background-color:#4dd544;
	-webkit-box-shadow: inset 0px -10px 0px 0px rgba(0,0,0,0.3), 0px 12px 18px -6px rgba(0,0,0,0.5);
	-moz-box-shadow: inset 0px -10px 0px 0px rgba(0,0,0,0.3),	0px 12px 18px -6px rgba(0,0,0,0.5);
	box-shadow: inset 0px -10px 0px 0px rgba(0,0,0,0.3),	0px 12px 18px -6px rgba(0,0,0,0.5);
	transition:all 300ms ease 0ms;
}
.big-button span{ 
	display: block;
	font-size: 18px;
	font-weight: 300;
	letter-spacing: 0px;
}
.big-button span:hover{
	letter-spacing: 0px;
}
a.big-button:hover{
	letter-spacing: 2px;
}
.link-cta{
	text-align: center;
	display: block;
	margin-top: 12px;
	font-weight: 700;
}
@media screen and (max-width: 768px){
    iframe{
        width:100%;
        min-height:300px;
    }
    header h1{
        font-size:20px;
    }
    .big-button{
        font-size:20px;
    }
}
.section{
    padding:60px 0;
}
.section h2, .section h3{
    margin-bottom: 20px;
}
.section h4{
    margin-bottom: 40px;
}
#sobre{
    background: #b9f9ff;
}
#facil{
    background:#eafbff;
}
#comprovado-topo{
    background: blue;
    color:#fff;
}
#comprovado-topo h2{
    font-size: 20px !important;
}
#comprovado-topo h1{
    font-size: 50px !important;
    font-weight: bold
}
#depoimentos-alunos{
    background-color: orange ;
    color: white ;
}
#depoimentos-alunos h3{
    color:black !important;
}
#finalizar{
    background-color:black;
    color:#fff;
}