.calendar{
    width: 50%;
    margin: auto;
    padding-bottom: 50px;
    padding-top: 50px;
    align-items: center;    
}
.calendarHeader{
    height: 50vh;
    width: 100%;
    background-image: linear-gradient(rgba(28, 28, 29, 0.7),rgba(85, 85, 85, 0.7)),url(images/exec\ sitting.JPG); 
    background-position: center;
    background-size: cover;
    text-align: center;
    color: white;
}
.calendarHeader{
    margin-top: 50px;
}
.calendar h1{
    text-align: center;     
    padding-bottom: 25px;
} 
.calendar-container{
    display: flex;
}
@media screen and (max-width: 460px){
    .calendar iframe{
        width: 100%; 
    }
}
@media screen and (max-width: 570px){
    .calendar h1{
        font-size: 32px;
    }
}
@media screen and (max-width: 500px){
    .calendar h1{
        font-size: 28px;
    }
}
@media screen and (max-width: 440px){
    .calendar h1{
        font-size: 20px;
    }
}