*{
   margin: 0;
   padding: 0;
   font-family: sans-serif;
}
.banner{
    width: 100%;
    height: 100vh;
    background-image: linear-gradient(rgba(0,0,0,0.75),rgba(0,0,0,0.75)),url(sonoma.jpeg);
    background-size: cover;
    background-position: center;
    filter: brightness(400%);
}
.navbar{
    width: 85%;
    margin: auto;
    padding: 35px 0;
    display: flex;
    align-items: center;
   justify-content: space-between;
}
.logo{
    width: 120px;
    cursor: pointer;
}
.navbar ul li{
    list-style: none;
    display: inline-block;  
    margin: 0 20px;
    position: relative;
}
.navbar ul li a{
    text-decoration: none;
    color: #fff;
    text-transform: uppercase; 
}
.navbar ul li::after{
    content: '';
    height: 3px;
    width: 100%;
    background: #009688;
    position: absolute;
    left: 0;
    bottom: -5px;  
}
.content{
    width: 100%;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    text-align: center;
    color: #fff;
}
.contact{
    width: 50%;
    position: absolute;
    top: 75%;
    transform: translateY(-50%);
    text-align: left;
    color: #fff;
}
.Teaching{
    width: 80%;
    margin: auto;
    text-align: left;
    padding-top: 100px; 
}
h1{
    font-size: 36px;
    font-weight:600;
}

p{
   color: #777;
   font-size: 14px;
   font-weight:300;
   line-height: 22px;
   padding: 10px;
}
.row{
    margin-top: 5%;
    display: flex;
    justify-content: space-between;
}
.Teaching-col{
      flex-basis: 31%;
      background: #fff3f3;
      border-radius: 10px;
      margin-bottom: 5%;
      padding: 20px 12px;
      box-sizing: border-box;
      transition: 0.5s;
}
h3{
    text-align: center;
    font-weight:600;
    margin: 10px 0;

}
.Teaching-col:hover{
      box-shadow: 0 0 20px 0px rgba(0,0,0,0.2);
}


.rowtwo{
    margin-top: 5%;
    display: flex;
    justify-content: space-between;
}
.Teaching-coltwo{
      flex-basis: 31%;
      background: #fff3f3;
      border-radius: 10px;
      margin-bottom: 5%;
      padding: 20px 12px;
      box-sizing: border-box;
      transition: 0.5s;
}
h2{
    text-align: center;
    font-weight:600;
    margin: 10px 0;

}
.Teaching-coltwo:hover{
      box-shadow: 0 0 20px 0px rgba(0,0,0,0.2);
}


.rowthree{
    margin-top: 5%;
    display: flex;
    justify-content: space-between;
}
.Teaching-colthree{
      flex-basis: 31%;
      background: #fff3f3;
      border-radius: 10px;
      margin-bottom: 5%;
      padding: 20px 12px;
      box-sizing: border-box;
      transition: 0.5s;
}
h3{
    text-align: center;
    font-weight:600;
    margin: 10px 0;

}
.Teaching-colthree:hover{
      box-shadow: 0 0 20px 0px rgba(0,0,0,0.2);
}