.discount-offer {padding: 15% 0;    position: relative;background: url('../imagen/fo20150116_150731 - copia.jpg') no-repeat center fixed;    background-size: cover;    z-index: 1;}

.discount-offer:after,.subscribe:after {    position: absolute;    content: "";    top: 0;    left:0;    width: 100%;    height: 100%; z-index: -1;}

.discount-offer:after,.subscribe:after {
    position: absolute;
    content: "";
    top: 0;
    left:0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.dicount-offer-content h2{
    color:#fff;
    font-size:30px;
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
    line-height: 1.4;
}
*{
    padding: 0;
    margin: 0;
}

*{

	-webkit-box-sizing:border-box;
	-moz-box-sizing:border-box;
	-o-box-sizing:border-box;
	-ms-box-sizing:border-box;
	box-sizing:border-box;

}

.about-us{  
    display: flex;    
    justify-content: center;    
    align-items: center;  
    position: relative; 
    /*background-position: center;    */

    background: url(../imagen/fofondoabout.jpg) no-repeat center fixed;  

    background-size: cover;  
    z-index: 1;
    min-height: 800px;}

    
/*.about-us:before{    
    position: absolute; 
    content: "";    
    top:0;  
    left: 0;    
    width: 100%;    
    height: 100%;
    background: #000000;
    background: url(../imagen/fofondoabout.jpg)no-repeat;}*/
    /*about-us-content*/
.about-us-content{ 
    margin: -18% 0 0 0;}
.about-us h2 {  
    color:#fff;     
    font-size:5rem; 
    text-transform: inherit;    
    max-width: 800px;   
    font-weight: 600;   
    line-height: 1.22;}
.about-us h2 span{   
    color:#2bdab5;  
    margin-top: -11px;}
.about-btn {    
    margin-top: 39px;    
    letter-spacing: 1.2px;     
    -webkit-transition: 0.5s ease-in-out;    
    -moz-transition: 0.5s ease-in-out;    
    -ms-transition: 0.5s ease-in-out;    
    -o-transition: 0.5s ease-in-out;    
    transition: 0.5s ease-in-out;}
.about-view {  
    display: flex;    
    justify-content: center;    
    align-items: center;    
    background: #f88732;    
    border: 1px solid #f88732;    
    width: 200px;    
    height: 60px;    
    white-space: nowrap;    
    color: #fff;    
    font-size:16px;    
    font-family: 'Poppins', sans-serif;    
    text-transform: uppercase;    
    border-radius: 5px;    
    box-shadow: 0 5px 20px rgba(14,15,18,.2);    
    -webkit-transition: 0.5s ease-in-out;    
    -moz-transition: 0.5s ease-in-out;    
    -ms-transition: 0.5s ease-in-out;    
    -o-transition: 0.5s ease-in-out;    
    transition: 0.5s ease-in-out;}
.about-btn:hover .about-view{    
    color: #fff;    
    background: #00d8d5;    
    box-shadow: 0 5px 20px rgba(14,15,18,.7);  
    border: 1px solid #00d8d5;}
.travel-mrt-0{    
    margin-top: 0px;}
/*about-us-content*/




.separator {
    height: 1px;
    background: #fff;
    margin: 0;
    margin-bottom: 2px;
    box-shadow: 0px 0px 5px 2px rgb(204 204 204);
}

.subscribe {
    padding: 9% 0;
    position: relative;    
    background: url(../imagen/fofond2.jpg)no-repeat center fixed;
    background-size: cover;
    z-index: 1;
}

<!--.textoportada{
    margin-top:-15%;
    .titulo { font-size: 77px; text-shadow: 20px 15px 7px red;}
}-->

.textoportada { 
    font-size: 4rem; 
    text-shadow: 0px 0px 7px red; 
    color:white;
    margin-left:8%;}
.subtexto {font-size: 2rem; text-shadow: 0px 0px 7px #f8872a; color:white; margin-left:5px;}