.rectangle { 
    width: 2000px;
    height: 1000px;
}

#blockBlack { 
    background-color: black;
    position: fixed;
}

#blockBack { 
    background-color: #DEE0DD; 
    position: fixed;
}

.rectangle2 {  
    width: 350px;
    height: 460px;
}

#blockGrey {  
    background-color: #C8CCCB;
    position: fixed;
    float: left;
}

.square {  
    width: 1000px;
    height: 550px;
}

#blockBlue {  
    background-color: #CBD0D4;
    position: fixed;
}

.square2 { 
    width: 350px;
    height: 150px;
}

#blockBlue2 { 
    background-color: #C7D9E4; 
     position: fixed;
}

.square3 { 
    width: 350px; 
    height: 200px;
}

#blockWhite { 
    background-color: #EDF1F1; 
     position: fixed;
}

.rectangle3 { 
    width: 120px; 
    height: 350px;
}

#blockBlue3 { 
    background-color: #90ABD8;
    position: fixed; 
}

.rectangle4 { 
    width: 450px; 
    height: 150px; 
}

#blockGrey2 { 
    background-color: #D9DADC; 
    position: fixed; 
}

.rectangle5 {
    width: 200px; 
    height: 500px;
}

#blockGrey3 { 
    background-color: #CBCFD1; 
    position: fixed;
}

.rectangle6 { 
    width: 150px; 
    height: 250px; 
}

.rectangle7 { 
    width: 350px; 
    height: 110px; 
}

#blockYellow { 
    background-color: #FFE815; 
    position: fixed; 
}

.square4 { 
    width: 120px; 
    height: 110px;
}

#blockRed {
    background-color: #A94437;
    position: fixed; 
}