body{
    background-color: black;
    
}

.logo{
   margin:0 auto 0 auto;
   height: 225px;
   width: 750px;
   
   
    
}
img{
   height: 225px;
   width: 750px;
}
.contador{
    color:white;
    font-family: 'Raleway', sans-serif;
    font-size: 300%;
    padding-left: 17%;
    padding-right: 17%;

}
p{
    box-sizing: border-box;
    width: 25%;
    float: left;
    text-align: center;
    margin: 0;
    
}
.exc {
    float: none;
    padding:0;
    margin: 0 auto 0 auto;
   
    background-color: black;
    
        
}
h2{
    text-align: center;
    
}

.part{
    background-color: #52575b;
    margin-top: 150px;
   
    
    
}
iframe{

    padding: 10%;
     width:400px;
   height:300px; 
}