.banner{
    background-image: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)),url('source/corona-background.jpg');
}
.content{
    width: 65%;
    left: 17.5%;
}



.m1{
    padding: 50px;
}
.t1{
    width: 75%;
    margin: auto;
    text-align: center;
}
.t1 h1{
   font-size: 45px;
}
.d1{
    display: flex;
    width: 100%;
    justify-content: space-evenly;
}
.d1 div{
    margin: 25px;
    height: 215px;
}
.d1 div h1{
    font-size: 35px;
    width: 100%;
    margin: 25px 0 25px 0;
}
.d1 div p{
    font-size: 20px;
}
.d1 div img{
    display: block;
}





.m2{
    margin: 30px 0 20px 0;
}
.m2 div{
    text-align: center;
    border-radius: 10px;
    cursor: pointer;
    margin: auto;
    width: 872px;
    height: 490px;
    overflow: hidden;
    background: url('source/corona-m2-img.png');
    background-size: cover;
    /* filter: brightness(50%); */
}



.m3{
    padding: 50px;
    margin: 0 0 100px 0;
    text-align: center;
}
.t3 h1{
    font-size: 45px;
    margin: 0 0 15px 0;
}
.t3 p{
    font-size: 19px;
    margin: 0 0 30px 0;
}
.d3{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-evenly;
}
.d3 div{
    width: 150px;
    height: 150px;
    background: #eb595f;
}
.d3 div img{
    width: 150px;
    height: 150px;
}






.t4{
    width: 75%;
    margin: auto;
}
.t4 h1{
    font-size: 45px;
    width: 100%;
}
.d4{
    width: 75%;
    margin: auto;
}
.d4 h4{
    font-size: 30px;
    font-weight: bold;
}   
.d4 p{
    font-size: 23px;
}
.d4 div{
    background: #ffd5d5;
    margin: 20px;
    padding: 10px;
    border-radius: 5px;
    cursor: pointer;
}